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FROM DISCOVERY TO COMMERCIALIZATION Abstracts of contributions presented at the International Conference WORLD AQUACULTURE '93 Torremolinos, Spain, May 26-28,1993 Compiled by M. Carrillo L. Dahle J. Morales P. Sorgeloos N. Svennevig J. Wyban Layout and processing: L. Vandercoilden, L. Aspeslagh, and H. Joncheere EUROPEAN AQUACULTURE SOCIETY SPECIAL PUBLICATION NO. 19 Oostende, Belgium April 1993 UB/TIB Hannover 112 949 541 89

FROM DISCOVERY TO COMMERCIALIZATION - GBV · FROM DISCOVERY TO COMMERCIALIZATION ... taxonomic structure and species succession of phytoplanklon 80 ... Uribe E., R. Valenzuela,

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FROM DISCOVERY TOCOMMERCIALIZATION

Abstracts of contributions presented at the International ConferenceWORLD AQUACULTURE '93

Torremolinos, Spain, May 26-28,1993

Compiled by

M. CarrilloL. Dahle

J. MoralesP. SorgeloosN. Svennevig

J. Wyban

Layout and processing:

L. Vandercoilden, L. Aspeslagh, and H. Joncheere

EUROPEAN AQUACULTURE SOCIETYSPECIAL PUBLICATION NO. 19Oostende, BelgiumApril 1993

UB/TIB Hannover112 949 541

89

Table of contents

ALGAE

Posters

Carrillo S.C.Absorcion de amonia por el alga Gracilaria chilensis (Rhodophyceae) en condicionesde cultivo estatico 2

Gautier D., G. Blanchard, J. Hussenot, Y. Rince, F. Bertrand, L. Joassard, and F. MornetMass production of natural phytoplankton in nutrient enriched ponds: effect of mixingby aeration 3

Hurtado-Ponce A.O. and G. PB. SamonteGrowth rate, production, and economics of Gracilariopsis heteroclada (Gracilariales,Rhodophyta) using fixed-bottom line cultivation 4

Lopez Ruiz J.Cultivo de microalgas con productos zeoliticos 5

Novojilov A.Hydrodynamic aspects of formation of area structure and productivity of naturalthickets of agar-containing alga Ahnfeltia 6

Otero A.M., F. Chazaro, M. Patino, and J. FabregasEffect of nutrient concentration on productivity and biochemical composition of themarine microalgae Tetraselmis suecica grown in semi-continuous culture 7

Ramalho C.B., D. Morse, J.W. Hastings, and P. Colepicolo*Molecular expression of nitrogen-assimilating protein in the marine unicellular algaGonyaulax polyedra is under control of the biological clock. The activity oscillation isdue to changes in the cellular protein levels 8

Raposo F. and J. NavalhoSearching a more suitable medium for growing the alga Dunaliella salina 9

Rusch K.A. and R.F. MaloneDemonstration of a control strategy for sustained algal growth at a full-scale level undercomputer automated, continuous conditions 10

Sanchez Gargallo A. and F. CastelloEfecto del fotoperiodo sobre la production y composition de Spirulina platensis 11

MOLLUSCS

Keynote

Figueras A.Mussel farming: a successful industry .14

Parallel session 1 - Molluscs I: Nutrition and hatchery

Albentosa M., U. Labarta, A. Perez-Camacho, M.J. Fernandez-Reiriz, and R. BeirasFatty acid composition of Ruditapes pullastra spat fed on different microalgae diets 15

Laing I., S.D. Utting, and A.M. LealBroodstock conditioning of Manila clams (Tapes philippinarum) with live and driedalgae diets 16

Samain J.F., D. Ansquer, S. Corre, J.Y. Daniel, F. Delaunay, E. Jacq, L. Helis, J.R. Le Coz,Y. Marty, J. Moal, J.L. Nicolas, and C. SeguineauImprovement in reliability for bivalve hatcheries: effect of food quality and bacterialactivity on growth performances 17

VI

Perez J.A., D. Moreno, y P. CoutlcauEnsayo sobre la idoncidad de una mczcla dc lcvadura manipulada y microalgas comoalimcnto dc semillas de Tapes semidecussala 18

Couttcau P., W. Moore, C. Battey, J. Manzi, and P. SorgcloosEffect of algal ration and substitution by manipulated yeast diets on growth of juvenileMercenaria mercenaria in a commercial system 19

Rodriguez Gil L.A.Induction of metamorphosis of milk conch in Yucatan, Mexico 20

Santos J., S. Downing, and K. ChewEffects of temperature on the reproductive development of adult Olympia oysters(Ostrea lurida) 21

Le Pennec M., S. Dwiono, and P. BeningerMetamorphosis and nutritional strategy in the bivalve Peclen maximus 22

Parallel session 1 - Molluscs I: Scallop culture

Cote J., J.H. Himmelman*, M. Claereboudt, and J. BonardelliChosing a suitable density and depth for growing giant scallops in suspended culture 23

Lango-Rcynoso F., C. Caccres-Marlinez, J. Chavez-Villalba, and C. Rangcl-DavalosExperimental cage culture of Catarina scallop Argopccten circularis in Mexico 24

Munro J.L., H. Govan, M.H. Gcrvis, I. Lane, and J.B. HambreyGiant clam cultivation in the South Pacific: present status and future prospects 25

Velez A., L. Freitcs, J.H. Himmelman, W. Senior, and N. MarinGrowtli of the tropical scallop , Euvola (peclen) ziczac in bottom and suspended culturein the Golfo de Cariaco, Venezuela 26

Parallel session 1 - Molluscs I: Oyster culture

Arakawa K.Y.Advances in oyster culture in Hiroshima after the World War II 27

Le Coz J.-R., J. Moal*, J.-F. Samain, and J.-Y. DanielThe different practices of oyster rearing adenylatc energy charge, a check for growth 28

Garci'a-Esquivel Z. and M.A. Gonzalez-GomezEnergy patterns and substrate catabolism during early spat development of ihe Pacificoyster Crassoslrea gigas, in culture 29

Boghen A., J. Allard, E. Bataller, and P. BeningerOverview and assessment of a five-year oyster monitoring program in New Brunswick,Canada 30

Garcia-Esquivel J. and Z. Garcia-EsquivelCultivo comercial del ostion del Paci'fico, Crassoslrea gigas en Bahia San QuintfnB.C., Mexico 31

Cigarria J. y J.M. FernandezCrecimiento y mortalidad de la ostra japonesa (Crassoslrea gigas Th.) en la Ri'a del Eo(N.O. Espana) 32

Samonte G. PB., W.G. Gallardo, R.S. Ortega, and L. AT. EspadaEconomics of stake and raft methods of fanning green mussels in western Visayas,Philippines 33

Guerra A., J.M. Parada, A. Lama, y J. MontesEstudios y perspectivas de la evolution del cultivo de la ostra plana (Ostrea edulis L.)en Galicia (NW de Espana) 34

Cabral Ph. and T. SeamanThe supply of pearl oysters, a key to the success of pearl culturing in French Polynesia 35

Bates R.New emphasis on shellfish growing in Ireland 36

VII

Informal workshop - Molluscs and pathology

Mazurie J., S. Claude, J.P. Flassch, R. Pageot, and P. GlizeEpidemiology of the brown ring disease of the Manila clam (Ruditapes philippinarum),in the main natural stocks and cultivation areas in France, from 1987 to 1992 37

Maes P., C. Paillard, M. Le Pennec, and J.-P. FlasschSpecificity level of the brown ring disease 38

Paillard C , P. Maes, M. Le Pennec, and J.-P. FlasschA classification system of brown ring disease in clams 39

Searcy-Bernal R.Factors affecting initial mortality in abalone (Haliotis spp.) seed production 40

Informal workshop - Molluscs and sanitary problems

Shaffer V. and M. LuckenbachDinoflagellate bloom effects on oyster aquaculture in Chesapeake Bay, USA 41

Del Negro P., M. Cabrini, and F. TulliA comparative analysis of toxic algae in Mytilus galloprovincialis and in Crassostreagigas 42

Wadford D., B. Dixon*, and M. CoxTechniques for the enhanced recovery of Bacteroides vulgatus as an indicator of fecalcontamination in shellfish 43

Molluscs - Posters

Alvarez Fernandez M.J., F. Tilves, E. Ferran, M.J. Campillo y I. ReyeroCrecimiento de semilla de ostra plana (Ostrea edulis) en dos sistemas de cultivodiferentes 44

Awaluddin A., M.B. Mokhtar, and N.M. YusofA study of selected physico-chemical parameters on the natural seed production of theoyster Crassostrea iredalei 45

Bataller E.The relationship between indices of condition, glycogen levels and water qualityparameters for the oyster Crassostrea virginica 46

Baud J.P., M. Cardinal, and J. HaureAnew oyster fattening technique using underground saltwater 47

Caceres-Martinez J., J.A.F. Robledo, and A. FiguerasSettlement of mussels (Mytilus galloprovincialis) in the Ria de Vigo, N.W. Spain 48

Cano J., M.J. Rosique, y J. RocamoraEpoca y mimero de puestas de la ostra plana (Ostrea edulis) en el Mar Menor (S.E.Espana) 49

Carrasco J.F. and C. RodriguezEfecto de la naturaleza del sustrato sobre los parametros biometricos de la almejajaponesa (Ruditapes philippinarum) en cultivo 50

Castro Lopez D., A. Luque, J.M. Gomez, E. Martinez-Manzanares, and JJ. BorregoDescription de epizootias de origen microbiano en el cultivo de la almeja fina (Tapesdecussatus) y japonese (T. philippinarum) 51

Cigarria J. y J.M. FernandezRendimientos en el cultivo industrial de la almeja japonesa (Ruditapes philippinariumAdams y Reeve, 1850) en la Ria del Eo (N.O. Espana) 52

Domenech Quesada J.L.Cultivo de la ostra plana, Ostrea edulis, en la Ria de Villaviciosa (Asturias, norte deEspana) 53

VIII

Domenech Qucsada J.L.Cultivo sin substrata de la almeja fina europea, Ruditapes decussatus 54

Falcao M., J. Husscnot*, J.-L. Martin and C. ValeChemical changes near the sediment-water interface during a clam mortality period inRia Formosa, Portugal 55

Fridman R., M. Shpigel, D. Ben-Ezra, and H. GordinCulture of the Manila clam 'Tapes semidecussatus using fishpond effluents 56

Gcraldo I., C. Massapina, and D. MatiasPreliminary data about temperature influence on growth of Ruditapes decussatus spat 57

Gorski Z.Technical innovation a stimulant for development of diverse bivalve products 58

Grintsov V.Collector's foulings as a factor affecting the settling and growth rates of spat 59

Haure J. and J.P. BaudIntensive rearing of the flat oyster Ostrea edulis in raceways using undergroundsalt-water: an approach to validate a methodology 60

Kayombo N.A.Percentage edibility of the ark clam Anadara antiquata (Linncaus, 1758) fromDar-es-Salaam, Tanzania 61

Kemp P.S. and A.J.J. EvansDevelopment of the chub ladder oyster culture method 62

KlinkA.Structure of the macrobenthic community adherent to mussel raft cultures 63

Labarta U., M. Albentosa, M.J. Fernandez-Reiriz, A. Perez Camacho, and R. BeirasPathways of use of biochemical components in the growth of spat of two species ofclams (Ruditapes pullastra and Ruditapes decussatus) 64

Laborda Navia A.J. y E. CimasCiclo gonadal de Ruditapes philippinarum en la Ria del Eo (Asturias, Espana) 65

Landri P., G. Orela, V. Zuccarello, F. Aleffi, and W. de WaldersteinImpact on benthic macrofauna under Mytilus galloprovincialis cultured on hanginglonglines in the Bay of Panzano (Gulf of Trieste, North Adriatic) 66

Leung P., Y.C. Shang, and C.A. TisdellComparison of the cost of producing giant clam (Tridacna gigas) in Australia and theRepublic of Marshall Islands 67

Madrones-Ladja J. and W. GallardoGrowth and survival of the window-pane oyster, Placuna placenta in its depleted bed,Tigbauan Coast, Iloilo, Philippines 68

Martinez Fernandez C. and P. Ruiz-AzconaLarval mortalities of Ruditapes decussatus: bacterial flora associated and efficacy oftwo antibiotics (Oxytetracycline and Chloramphenicol) 69

Martinez Fernandez C. y P. Ruiz-AzconaMortalidades larvarias de Ruditapes decussatus: flora bacteriana asociada y eficacia dedos antibioticos (Oxitetraciclina y Cloranfenicol) 70

Millican P.F.Initial studies in the hatchery culture of king scallop (Pecten maximus) 71

Munoz J.L., A. Sanchez de Lamadrid, y M. SaavedraIncidencia del anillo marron en cultivos intermareales de la almeja japonesa (Ruditapesphilippinarum) 72

Ocafia M.A., E. Admetlla, and J. del ValleBroodstock management of the carpet-shell clam (Ruditapes decussatus) in asandy-floor system 73

IX

Ocana M.A., E. Admetlla, and J. del ValleQuantitative effects of three different temperatures on the controlled reproduction of thecarpet-shell clam (Ruditapes decussalus): preliminary results 74

Pacheco E. y E. BustosRepoblacion y cultivo de recursos bentonicos en Chile 75

Pirkova A.V., V.N. Ivanov, and N.G. StolbovaThe growth and survival of mussel larvae Mytilus galloprovincialis Lam. obtained inthe crossings 76

Robledo J.A.F., J. Caceres Martinez, B. Novoa, C.F. Puentes, M.M. Santarcm, and A.FiguerasEpizootiological study of turbellarian parasites affecting blue mussels (Mylillusgalloprovincialis Lmk.) in Galicia rias (NW of Spain) 77

Rodriguez-Diez F. and J.I. Navas*Cross-infection with Perkinsus atlanticus in Ruditapes decussatus, Ruditapesphilippinarum and Venerupis pullastra 78

Santulli A , N.P. Wilkins, and V. D'AmelioGenetic polymorphism in wild and hatchery populations of five species of veneridae(Mollusca, Bivalvia) form the west coast of Ireland 79

Silkin V.A. and L.A. PautovaEffect of aquaculturc on the environment: impact of plantation of Japanese scallop ontaxonomic structure and species succession of phytoplanklon 80

Spencer B.E., M.J. Kaiser*, and D.B. EdwardsImpact of inlertidal Manila clam ('Tapes philippinarum) cultivation on infauna 81

Toro J.E. and A.M. VergaraRelationships among physiological variables, heterozigosity and growth efficiency inOstrea chilensis Philippi 1845 82

Uribe E., R. Valenzuela, y C. SolarAsentamiento de larvas del ostion chileno (Argopectenpurpuratus) en diferentesgeneros de macroalgas y sustrato artificial 83

Velez A., L. Freites, and N. JordanRates of growth and survival of larvae of the tropical scallop Euvola (pecten) ziczac,maintained on nine different microalgal diets 84

Villalba A., M.J. Carballal, and M.C. LopezPathologic conditions of three carpet shell clam species of Galicia (NW of Spain) 85

Zaragoza Ramirez V.Control biologico del "fouling" en cullivos suspendidos de ostras 86

Zaragoza Ramirez V.Composition y tcmporabilidad del "fouling" en una granja acuicola del suratlanticoespafiol 87

CRUSTACEANS

Plenary paper

Csavas I.Perspectives and critical success factors in shrimp farming 90

Parallel session 2 - Crustaceans I

ThammasartS.Keynote: Case study of a successful commercial shrimp farm in Thailand 91

Liao I.-C. and Y.H. ChienKuruma prawn (Penaeus japonic us Bate) culture in Asia 92

Le Bitoux J.-F.Shrimp production in Europe 93

Castro R. y I. PeftaAnalisis comparativo de las variables cuantificables para la determination de calidad enpostlarvas utilizadas en el cultivo comercial de Penaeus vannamei (Boone, 1936) 94

Hopkins J.S. and P.A. Sandifer*Development of environmentally sensitive shrimp aquaculture 95

Lawrence A.L. and F. CastilleGrowth, survival, and consumption rate of Penaeus vannamei to feeds containingdifferent levels of fish, krill and Artemia meals 96

Song Y.-L. and H.-H.SungVibriosis resistance in tiger shrimp (Penaeus monodon) induced by M-glucan treatment . . . . 97

Parallel session 2 - Crustaceans II

Xu X.L., W.J. Ji, J.D. Castell, and R.K. O'DorEffect of dietary lipids on fecundity, hatchability and egg fatty acid composition ofChinese prawn (Penaeus chinensis) 98

Ackefors H.Crayfish farming in Europe 99

Romaire R.P., J.M. Martinez*, and V.F. PfisterEffects of harvesting strategies on size-at-harvest and production of crawfish(Procambarus clarkii) 100

Lacroix D., J. Glude, J.E. Thomas, and H. Le MennFrom research to commercialization: lessons from four different strategies in thedevelopment of freshwater prawn culture (Macrobrachium rosenbergii) in Americasince 1977 101

Rivas G., L. Cusenza, and A. SantulliEuropean lobster (Homarus gammarus L.) juvenile production for restocking 102

Crustaceans - Posters

Abdel Rahman S.H., S.I. Ghoneim*, and F.A. Abdel RazekObservations on propagation and mass rearing of penaeid shrimp larvae in Egypt 103

Abdo-de la Para I., E. Cruz-Suarez, D. Ricque*, I. Pike, and G. Alani's-GuzmanEffect of freshness of raw material on nutritional value of different fish meal used inshrimp nutrition 104

Alvarez del Castillo M., G. Gomez, y A. LermaRespuestas de maduracion y reproduction en cautiverio de Penaeus vannamei,utilizando un alimento balanceado experimental 105

Andrade Vigo J.E. y I. LifieroSubstratos energeticos en Americonuphis magna (Annelida; Polichaeta) y su uso comodieta de camarones 106

Aranyakananda P. and A. LawrenceDietary protein and energy requirements of the white-legged shrimp, Penaeusvannamei, and the optimal protein to energy ratio 107

Arrobas I., L.S. Zhang, and X.H. SongExperimental semi-intensive culture of shrimp Penaeus japonicus in Portugal 108

Azuaje O. and K.S. ChungExperimental reproduction in white shrimp Penaeus schmitti of Venezuela 109

Balasundaram C.Synchronized hatching of Macrobrachium eggs 110

Bartlett P., A. Hodgson, and P. BonillaGrowth of Penaeus vannamei without feed in cages of plastic netting placed in ponds I l l

XI

Bashirullah A. and Nieves AguadaDiseases and parasites of penaeid shrimps of commercial interest in the eastern regionof Venezuela 112

Blachier P., S. Guezou, A.S.C. Elberizon, J. Hussenot, and D. GautierSemi-intensive nursery rearing of Penaeus japonicus in French Atlantic coastal ponds 113

Jorda J.R., M.A. Bravo, M. Librero, S. Algarin, and C. MoniesOverview of production and commercial crawfish aquaculture in the Guadalquivirmarshes 114

Browdy C.L., J.D. Holloway Jr., J.S. Hopkins, and P.A. SandifcrImplementation of greenhouse enclosed headslart nursery technology for penaeidshrimp culture in temperate regions 115

Bueno S.L.S., R. Goncalvez, E. Goncalez, and C. FischerLarval trypanorhynchid cestode infection in wild shrimp Penaeus schmilli and Penaeuspaulensis in Brazil 116

Bukhari F.A., D.A. Jones*, and A.J. SalamaThe potential for the culture of white shrimp (Penaeus indicus) in high saline ponds onthe Saudi Arabian coast of the Red Sea 117

Camara M.R., W. Tackaert, and P. SorgeloosThe effect of different levels and sources of dietary phosphatidylcholine on the growth,survival, and stress resistance of posllarval Penaeus japonicus 118

Cardenas F.L., A. Sanchez Z., and V.C. RosasConsumo de oxigeno de postlarvas y juveniles de Penaeus aztecus y Penaeus setiferusdurante un ciclo anual en relation a la temperatura y salinidad en la laguna dc TamiahiaVeracruz 119

Casillas H.R. and J.C. IbarraInorganic fertilizer effects in pond preparation, hypersaline for semi-intensive shrimpproduction in the southern coast of the desert of Sonora, Mexico 120

Castille F., A. Lawrence, and K. PageSelected factors that effect quality of hatchery reared Penaeus vannamei postlarvae 121

Catacutan M.R. and C.L. PitogoL-ascorbyl-2-phosphate Mg as vitamin C source for Penaeus monodon 122

Chen J.-C. and S.-H. LaiEffects of temperature and salinity on oxygen consumption and ammonia-N excretionof juvenile Penaeus japonicus Bale 123

Comoglio L.I., J.H. Vinuesa, and D.A. AminEffects of early starvation periods on zoeal development of Lithodes sanlolla 124

Coutteau P., G.V. Triantaphyllidis, T.J. Abatzopoulos, E. Alially, and P. SorgeloosAlgal substitutes for the laboratory culture of the brine shrimp Anemia franciscana 125

CREAARearing performance of pre-grown juveniles of Penaeus japonicus in French Atlanticcoastal ponds 126

De Donato Capote M. and C. GrazianiDetermination of the biometric and reproductive features for the evaluation of threestrains oiArlemia in Venezuela 127

Duerr E.O. and W.A. WalshLoading rate effects on water quality and biological performance of Pacific whiteshrimp (Penaeus vannamei) in small-scale culture 128

Esteve M. and R. QuijadaEvaluation of three experimental infection techniques with Vibrio anguillarum inPenaeus brasiliensis 129

Fletcher D.J. and D.A. JonesL-ascorbyl-2-polyphosphate as an ascorbate source in Penaeus monodon diets 130

Flores-Valdez M., G.A. Leyva*, and V. Gendrop FunesInduced maturation and spawning of Penaeus californiensis by eyestalk ablation 131

XII

Garcia Perez A. and R. Cortes CortesProduction de Camaron de agua dulce, Macrobrachium rosenbergii, sembrado adensidad comercial y cultivado conjuntamente con Tilapia, Oreochromis niloticus 132

Gaxiola G., T. Garcia, T. Garcia, R. Pedroza, N.A. Lopez, L.A. Soto, and C. RosasEvaluation of the protein requirement of Penaeus setiferus and Penaeus duorarumpostlarvac through the use of purified diets 133

Gaxiola G., T. Garcia, T. Garcia, R. Pedroza, N.A. Lopez, L.A. Soto, y C. RosasEvaluation del requerimiento proteico de postlarvas de Penaeus setiferus y Penaeusduorarum con el empleo de dietas purificadas 134

Graziani Padron C. and M. De DonatoCulture experiences on Macrobrachium carcinus L. in Venezuela 135

Guerao G., C. Ribera, and F. CastelloThe effect of salinity on larval survival of Palaemon xiphias Risso, 1816 and Palaemonadspersus Rathke, 1837 (Crustacea, Decapoda, Palaemonidae) 136

Hussenot J., J.-P. Lagardere, P. Blachier, R. Halley, and D. GautierUse of a carp diet (35% protein) in semi-extensive culture of Penaeus japonicus both asfertilizer and alternative feed 137

Jacob C. and M.J. GeorgeCommercial scale hatchery production of seeds of the prawn Macrobrachiumrosenbergii (De Man) in Kerala, India 138

Jasmine G.I., S.P. Pillai, and S. AthithanEffect of feed stimulants on the biochemical composition and growth of Indian whiteprawn Penaeus indicus 139

Kannupandi T., A. Veera Ravi, and J. GodfredThe complete larval development of a commercially important Portunid crabPodopthalmus vigil (Fabricius) under laboratory conditions 140

Koshio S., S. Teshima, A. Kanazawa, and T. WataseEndogenous and metabolic nitrogen excretion of Kuruma prawn, Penaeus japonicus 141

Kumlu M. and D.A. JonesOptimum rearing conditions for Penaeus indicus larvae reared in he laboratory 142

Leon T, G. Gaxiola, L. Ramos, A. Sanchez, L.A. Soto, R. Pedroza, and C. RosasEnergy balance of partially ablated adult females of the white shrimp Penaeus setiferusfed diets with different lipid levels 143

Leon T, G. Gaxiola, L. Ramos, A. Sanchez, L.A. Solo, R. Pedroza, y C. RosasDeterminacion del requerimiento lipidico a partir de la evaluation de la maduracion ydel balance energetico de hembras adultas del camaron bianco Penaeus setiferusparcialmente oculectomizadas 144

Le Vay L., A. Rodriguez, G. Mourente, and D.A. JonesInfluence of diet on digestive activity and growth of Penaeus japonicus larvae -implications for nutritional studies 145

Main K.L. and W. FulksCurrent issues in diseases of cultured penaeid shrimp: results of an Asia/United Statesworkshop 146

Marsden G.E., S. Hansford, and J. McGurenChanges with ovary development in the lipid and protein levels of the ovary anddigestive gland for ablated and non-ablated Australian Penaeus monodon 147

McGinty A.S. and D.E. Alston*Multiple stocking and multiple harvesting of Macrobrachium rosenbergii and tilapia 148

Merchie G., P. Lavens, H. Nelis, P. Sorgeloos, and A. De LeenheerEffect of feeding vitamin C-enriched live food on the hatchery production ofMacrobrachium rosenbergii 149

Meruane J.A. y M. RiveraIntroduction y cultivo de marron (Cherax tenuimanus) en Chile 150

XIII

Meyer D.E. and CM. LeyvaFeeding strategies and peneid shrimp culture in Honduras 151

Miao S. and S. TuModeling thermal effect on growth of Chinese shrimp, Penaeus chinensis (Osbeck) 152

Miao S. and S. TuModeling effect of daily ration and feeding frequency on growth of redtail shrimpPenaeuspenicHiatus (Alock) at controlled temperatures 153

Niamadio I. and A. KaneThe maturing of giant tiger shrimps (Penaeus monodon Fabricius) in Senegal (WestAfrica): assessment of optimum reproduction age in hatchery 154

NyonjeB.M.Growth and survival rates of Macrobrachium sp. larvae fed microalgae, rotifers andAnemia 155

Patino M., A. Otero, F. Chazaro, and J. FabregasEfecto de la microalga marina Tetraselmis suecica cultivada con diferentes tasas dedilution en la supervivencia y crecimiento de Anemia sp 156

Petriella A.M., R. Magdaleno, and J.L. Fenucci*Effect of dietary ascorbic acid on growth of Argentine prawn Artemesia longinaris Bate . . . 157

Qureshi T.A., S.M. Basha, and R. BiswasLarval rearing of Indian river prawn, Macrobrachium malcolmsonii through syntheticsea water 158

Redon M.J. and J.M. San FeliuThe effect of diet on the biochemical composition of the eggs of Penaeus japonicusBate, 1888 159

Redon M.J. and J.M. San FeliuBiochemical changes in the ovaries and midgut glands of Penaeus japonicus Bate,1888 during the spawning period 160

Ricque D., J. A. Martinez-Vega, and G. Aguirre-GuzmanA low cost recirculating synthetic seawater system for nutritional assays in penaeidshrimps 161

Rivera M. y J. MeruaneCultivo del camaron de rio Cryphiops caementarius en bolsas 162

Rodriguez-Higueras J.M., P. Vermeuler, J. Morales, y R. DuranNuevas aportaciones al desarrollo de un test practico para el control de calidad enpostlarvas de langostino 163

Rosas C , G. Gaxiola, T. Garcia, A. Sanchez, N. Lopez, L.A. Soto, R. Pedroza, E.Diaz-Iglesia, R. Brito, M. Baez, and R.N. de LimaApparent heat increment and O:N ratio of Penaeus setiferus, Penaeus duorarum,Penaeus schmitti, and Penaeus notialis postlarvae fed diets with different protein levels . . . 164

Rosas C , G. Gaxiola, T. Garcia, A. Sanchez, N. Lopez, L.A. Soto, R. Pedroza, E.Diaz-Iglesia, R. Brito, M. Baez, y R.N. De LimaIncremento de calor aparente y relacion O:N de postlarvas de Penaeus setiferus,Penaeus duorarum, Penaeus schmitti, y Penaeus notialis, alimentadas con diferentesniveles de proteinas en la dieta (Crustacea, Decapoda, Penaeidae) 165

Sandifer P.A., J.S. Hopkins, A.D. Stokes, and C.L. BrowdyDevelopment of intensive pond culture of marine shrimp in South Carolina: fromresearch to commercial reality 166

Sarac H.Z., M. Gravel, J. Saunders, and S. TabrettEvaluation of Australian protein sources for diets of the black tiger prawn (Penaeusmonodon) by approximate analysis and essential amino acid index 167

Schmitt A.S.C. and R.F. UglowNitrogen efflux rates in Macrobrachium rosenbergii (De Man) submitted totemperature changes 168

XIV

Selvakumar S., S. Ajmalkhan, and A.K. KumaraguruLarval development of a sesarminid crab Parasesarma plicalum (Latrcilli, 1806) inlaboratory conditions (Dccapoda, Brachyura, Grapsidae) 169

Shamsudin L. and C.R. SaadLive food organisms used in Malaysia for mass propagation of marine shrimp larvae,Penaeus monodon 170

Stokes A.D., C.L. Browdy, J.S. Hopkins, and P.A. SandiferAdvances in commercial shrimp farming in coastal South Carolina 171

Susilowati T.Notes on socio-cultural factors which affected intensive shrimp culture continuity: acase study at Serang, West Java, Indonesia 172

Szypcr J.P., R.H. Piedrahita, and P. GiovanniniRequirements for maximizing bloom stability and net oxygen production in earthenponds 173

Teichert-Coddington D.R. and R. RodriguezCauses of cyclical variation in Honduran shrimp production 174

Tidwell J., C. Webster, D. Yancey, and L. D'AbramoPartial and total replacement of fish meal with soybean meal and distillers by-productsin diets for the freshwater prawn (Macrobrachium rosenbergii) 175

Tirado M.C., J.M. Lotz, J.T. Ogle, and W.D. YoungsEffect of temperature on the growth and survival of Penaeus vannamei postlarvae inclosed systems 176

Trevino-Carillo L., L.E. Cruz-Suarez, D. Ricquc*, I. Higuera-Ciapara, and L.Noriega-OrozcoInfluence of virginiamycin supplementation on food conversion, growth and survival ofPenaeus vannamei juveniles in a semi-intensive grow-out pond in Sinaloa, Mexico 177

Vanegas C. y S. EspinaCrecimiento y eficiencia neta de crecimiento en juveniles de Penaeus aztecus Ives de lalaguna dc Tamiahua, Veracruz, Mexico (Crustacea, Penacidae) 178

Vinatea L.A. y A. OlivcraConservation dc quistes dcscapsulados dc Anemia sp. y su efecto sobre el crecimientoy sobrevivencia dc larvas de Penaeus schmilli (Burkenroad 1936) 179

Vogt G., E.T. Quinitio, F.P. Pascual, and V. StorchStructural regeneration of hepatopancreas cells after refeeding of starved Penaeusmonodon juveniles 180

Wyban J.A.High health shrimp production 181

Xu X.L., W.J. Ji, J.D. Castell, and R.K. O'DorEssential fatty acid requirements of Chinese prawn (Penaeus chinensis) 182

Zimmermann S., E.M. Leboute, and S.M.G. de SouzaEffects of different calcium levels in feed and water on growth of freshwater prawn,Macrobrachium rosenbergii (de Man), postlarvae 183

Zmora O. and E. AvitalThe use of fish culture effluent as a food source for intensive and extensive rearing ofArtemia 184

FRESHWATER FISH

Parallel session 3 - Freshwater fish I

Blom J.H. and K. DabrowskiAscorbyl monophosphate requirements of rainbow trout (Oncorhynchus mykiss)broodstock 186

XV

Radunz Neto J., G. Corraze, N. Charlon, and P. BergotEssential n-3 fatty acid requirements of carp (Cyprinus carpio) larvae 187

Houlihan D.F., Z. He, C. Carter, and I. McCarthyThe role of amino acids in controlling protein deposition in salmonids 188

Jaramillo, Jr. F., S.C. Bai, B.R. Murphy, and D.M. Gatlin HIApplication of electrical conductivity for nondestructive measurement of channelcatfish, Ictalurus punctatus, body composition 189

Heinen J., J. Hankins, A. Noble, G. Bullock, R. Herman, and A. WeberEvidence for development of resistance to bacterial gill disease in cultured rainbow trout . . . 190

Parallel session 3 - Freshwater fish II

Pouliot T., J. De la Noiie*, and A.G. RobergeInfluence of social interactions on physiological and neurological responses of rainbowtrout under hypoxic stress 191

Liu Q., C.A. Goudie, B.A. Simco, and K.B. DavisGene mapping of the sex-linked enzyme glucosephosphate isomerase-B in channelcatfish 192

Moutounet Y.The control and economic optimisation of the oxygen factor in fish farming.Perspectives for the use of oxygen demand as an indicator of the state of health andcomfort of the fish 193

Naegel L.C.A.Options generation and management for the development of sustainable integratedaquafarming systems 195

Steffens W.Possibilities and limits of carp pond culture in Central Europe 196

Freshwater fish - Posters

Akharbach H., C. Enjuto, M. de la Higuera, and M. Garcia GallegoInfluence of starving and temperature on body composition and fatty acids profile fromseveral tissues on the European eel 197

Alcaraz G. y S. EspinaSobrevivencia y estres en juveniles de carpa herbivora (Ctenopharyngodon idella Val.)expuestos a la combination de nitrito y cloruro, en diferentes temperaturas 198

Anderson D.P. and G. JeneyImmunostimulation and protection from diseases in rainbow trout by glucans given byinjection or bath 199

Bala S.K. and S.G. PalTEM study of thymus of an Indian teleost fish 200

Berge G.,T. Storebakken, and O. Derome*Use of fish protein hydrolysate in diets for juvenile Atlantic salmon 201

Bergero D., G. Fomeris, P.P. Mussa, M. Boccignone, G.B. Palmegiano, C. Sarra, I.Zoccarato, and M.L. BianchiniMaize in rainbow trout (Oncorhynchus my kiss) feeding. Note I: effect of technologicaltreatments on in vivo and in vitro digestibility and on ammonia excretion 202

Billard R., J. Cosson, and M. SuquetThe quality of sperm and egg in fish; evaluation and determining factors 203

Blanquez M., C. Rojo, and E. GonzalezEmbryonic influences on the presence and relative rate of the different components ofthe skin in Oncorhynchus mykiss 204

Blasco M., J.L. Perez, E. Silva, y P. ParraDimorfismo sexual y estructura de las aletas ventrales de tenca (Tinea tinea L.) 205

XVI

Blasco M., E. Silva, A. Limpo, y J.L. PerezCompetencia territorial y depredation en charcas de culliva dc tenca (Tinea tinea L.) enExtremadura (Espana) 206

Borghetti J.R., C. Canzi, and D.R. FernandezThe use of demand feeders for the culture of pacu (Piaractus mesopolamicus) - incages at Itaipu binational reservoir 207

Bougrova L.Perspectives of St. Petersburg regional fish farming development 208

Brauge C, G. Corraze, and F. MedaleCombined effects of dietary lipid/carbohydratc ratio and environmental factors ongrowth and nutritional balance in rainbow trout 209

Buttle L.G. and R.F. UglowThe effect of diet and photopcriod on nitrogen efflux in the African catfish, Clariasgariepinus (Burchcll, 1822) 210

Cardenete G., A.E. Morales, F.J. Moyano, A. Sanzy M. Dc la HigueraAdicion de enzimas exogenas como medio dc mcjora de la utilization digestiva de lasmaterias primas en dietas para trucha arco iris (Oncorhynchus mykiss) 211

Chazaro F., A. Otero, M. Patino, y J. FabrcgasDiscfio y formulation dc piensos secos para alcvines y adullos dc trucha arcoiris(Oncorhynchus mykiss) utilizando microalgas marinas como correctores nutritivos 212

Chuang J.C. and S.Y. Shiau*Intestinal disaccharidase activity, plasma glucose level, body composition and growthof Tilapia, Oreochromis niloticus x O. aureus fed different carbohydrates 213

Chung K.S.Effects of temperature on growth, survival, and acclimation rate of tropical characinAslyanax bimaculalus in Venezuela 214

Ciereszko A. and K. Dabrowski*Optimization of asparlate aminotransfera.se activity assay in fish spermatozoa 215

Collazos M.E., E. Ortega, and C. BarrigaAlternative complement pathway activation in tench (Tinea tinea L.): seasonalvariations 216

Contreras B., B.A. Dixon, and M.C. NietoPreliminary identification of a beia-2-microgIobulin associated protein expressed on thesurface of brown bullhead fish cells 217

Corraze G., C. Brauge, and F. MedaleEffect of non proteic energy sources on lipid and fatty acid composition of the muscleof rainbow trout reared in sea water 218

Cruz e Silva P., S. Grazina Freitas, and M. Carvalho-Varela*Parasites and parasitoses of the European eel (Anguilla anguilla L.) in Portugal 219

Dabrowski K., A. Ciereszko, L. Ramseyer, D. Culver, and P. KestemontEffects of hormonal treatment on induced spermiation and ovulation of the yellowperch (Percaflavescens) 220

de Costa J., P. Mendiola, M.D. Hernandez, and S. ZamoraEfecto de la adaptation al ejercicio estresante en la hematologia de la trucha arco iris 221

Divakaran S. and E.O. DuerrA method for standardized pellet stability and leaching assays of aquaculture feedsusing commercially available equipment 222

Duncan P.L. and R.T. LovellThe effects of folate and vitamin C on growth, hematology and resistance to bacterialdiseases in channel catfish, Ictalurus punctatus 223

Fracalossi D.M., R.T. Lovell, and M. Craig-SchmidtProduction of leukotriene B4 by head kidney leukocytes of channel catfish fed differentlipid sources 223

XVII

Fracalossi D.M. and R.T. LovellEffect of dietary lipid sources and water temperature on mortality of channel catfishfingerlings challenged with Edwardsiella ictaluri 224

German-Faz C , E. Sanchez-Hidalgo, B. Ramirez Mora and L. Martinez-TabcheToxic effect of lead on Oreochromis hornorum intoxicated through an artificial trophicchain 225

Geurden I., J. Radiinz Neto, and P. BergotResponse of carp (Cyprinus carpio) larvae to dietary phospholipids 226

Gonzales J.Incidencia de factores ambientales y agentes inductores en el ciclo reproductivo de lacachama Colossoma macropomum en cautiverio 227

Guo F.C., L.H. Teo, and T.W. ChenApplication of anaesthetics in the transport of platy fish by air 228

Habib M.A.B., M.R. Hasan, and A.M. AkandEvaluation of silkworm pupae meal as dietary protein source for Clarias batrachus (L.) . . . 229

Halver J.E., A. Yimam, and R.R. SmithAcid insoluble ash as a convenient method for estimating digestible components in diets . . . 230

Hernandez M.D., J. de Costa, P. Mendiola, and S. ZamoraRespuesta del bazo en la adaptation al ejercicio estresante de la trucha arco iris 231

Hidalgo M.C., A. Garzon*, G. Cardenete , and M. De La HigueraInfluence of dietary amino acids availability on several tissue protease activities inrainbow trout 232

HochleithnerM.Growth of various sturgeon species (Acipenseridae) under aquaculture conditions 233

Kamstra A. and J.W. van der HeulStart-feeding of glass eel (Anguilla anguilla): the application of laboratory results oncommercial scale 234

Koren A.Aquaculture in the desert 235

Kriiger R. and K. Kohlmann*Histological comparison of liver and kidney tissue of diploid and triploid femalerainbow trout (Oncorhynchus mykiss) .236

Lescroart O., W. Pacolet, H. Moshage, S.H. Yap, R. De Schrijver, and F. OllevierElongation and desaturation of linolenic acid (18:3(n-3)) in isolated hepatocytes of theEuropean eel (Anguilla anguilla) 237

Maggese M.C., M. Ravaglia, y G. GuerreroCultivo de Synbranchus marmoratus. Un desafio productivo para America Latina 238

Mahalingam S. and R. RajkumarCulture of major carps in the Fort Moat of Vellore 239

Martinez-Jeronimo E, R. Villasenor C , G. Rios B., and F. Espinosa Ch.Effect of type and food concentration in survival, longevity, and reproduction ofDaphnia magna (Crustacea: Cladocera) .240

Mattina R, G. Moccia, G. Gibertini, L. Quattrochi, and F. GiuccaStructural changes in a population of fario trout (Salmo truttafario) in the SimbrivioRiver following changes in the riverbed * 241

Mays J.L. and P.B. BrownCanola meal as a protein source for channel catfish 242

Mendiola Lopez P., M.D. Hernandez, J. de Costa, and S. ZamoraInfluencia de la adaptation al ejercicio estresante sobre la composition plasmatica de latrucha arco iris 243

Morales A.E., G. Cardenete, M. De la Higuera, y A. SanzConsideraciones sobre el valor energetico corporal en la trucha arco iris (Oncorhynchusmykiss) 244

XVIII

Morales A.E., G. Cardenete, M. de la Higuera, y A. SanzUtilization de la energi'a metabolizable de diferentes dietas, fabricadas con harina degirasol y gluten de maiz substituyendo partial y totalmente a la harina de pescado, porla trucha arco iris (Oncorhynchus mykiss) 245

Murthy H.S. and T.J. VargheseQuantitative lysine requirement for the growth of the Indian major carp, Labeo rohita(Hamilton) 246

Murugesan A.G. and M.A. HaniffaHistopathological changes in the gill of catfish, Heteropneustes fossilis (Bloch),exposed to textile-mill effluent 247

Olivia-Teles A. and M.C. HenriquesThe effect of dietary salt and protein content on transfer of rainbow trout to seawater 248

OrtegaC, J. Muzquiz, F. Sanz, P. Ramos, E. Planas, J. Garcia, J. Docando, and J.L.SanchezSituation actual de la patologia en acuicultura continental de salmonidos en lapeninsula Iberica: II. estudio virologico 249

Paton D., J. Espada, and C. TrigosoA new procedure for Zn determination using fluorescence properties of GBHA (Glioxalbis-hidroxyanil) in fish tissues. Implications in toxicology of human feeding 250

Pector R., V. Blommaert, D. Vermeulen, R. De Schrijver, and F. OllevierEffect of dietary linolenic acid on growth, body composition and fatty acid compositionof the polar lipids in the liver, muscle and plasma of the African catfish , Clariasgariepinus 251

Pedrozo R, P. Vigliano, y A. BonettoEl desarrollo masivo de la piscicultura intensiva en la subregion Andino-Patagonica ysu impacto ambiental 252

Pekar R, L. Kiss, P. Szabo, and J. OlahPond processing of high organic load in a fish-cum-duck culture system in Hungary 253

Perez-Regadera J.J., F. Lobo, E. Garcia-Ceballos, y J.C. EscuderoDetermination de la diferencia existente entre los final preferenda de cinco poblacionesen funcion de la especie y su estadio de desarrollo 254

Potts A. and R.P. PhelpsEffectiveness of diethylstilbestrol and ethynylestradiol in the production of female NileTilapia (Oreochromis niloticus) and the effect on fish morphology 255

Prinsloo J.F. and L.C. HoffmanProspects and constraints in aquaculture development in rural areas of South Africa 256

Ramnarine I.Hoplosternum littorale (Hancock, 1828; Osteichthyes, Callichthyidae): anew speciesfor aquaculture 257

Riche M. and P.B. BrownDetermination of phosphorus absorption coefficients for rainbow trout (Oncorhynchusmykiss) fed commercially used protein sources 258

Rueda F.M., M.P. Garcia-Riera, P. Mendiola, F.J. Martinez, y S. ZamoraEfecto de la dieta sobre la concentration plasmatica de lactato en truchas. Respuesta ala adrenalina 259

Rurangwa E., L. Verheust, and F. OllevierThe alternative use of zooplankton in replacement of Anemia as feed for Africancatfish larvae (Clarias gariepinus, Burchell 1822) 260

Rust M.B., R.W. Hardy, and R.R. StickneyAssimilation of three biochemical forms of radio-labeled methionine in four species offish larvae 261

Sanchez Rafael L., N.J. Villalvazo, and E.J. GarciaUtilization de desechos agropecuarios en nutrition aquicola 262

XIX

Sanz A., G. Cardenete, M. De la Higuera y A.E. MoralesEfecto de la adicion de un preparado comercial (nutrientes de automultiplicacion, tipoB) sobre la utilization nutritiva de la dieta por la trucha arco iris (Oncorhynchus mykiss) .. . 263

Sanz P., P. Ramos, C. Ortega, J.L. Muzquiz, E. Planas, O. Girones, y R. MuguruzaSituation actual de la patologia en acuicultura continental de salmonidos en lapeninsula Iberica: I. Estudio bacteriologico y parasitologico 264

Saxena A.Seed production of air breathing fishes 265

Shiau S.-Y. and M.-J. ChenCarbohydrate utilization by tilapia Oreochromis niloticus x O. aureus as influenced bydifferent types of chromium supplementation 266

Shutov V.Reaction of fishes to the smell and taste of feeds and the influence of this reaction onfeeding efficiency in aquaculture 267

Skoufas G., P. Poncin, N. Byamungu, B. Cuisset, K. Mol, E.R. Kiihn, Ch. Melard, and J.C1.RuwetHormonal profile associated with social behavior in Oreochromis aureus 268

Stanley L.A., R.L. Thune, and M.P. PefiaEvaluation of Edwardsiella ictaluri vaccine delivery in Channel catfish by immersion,immersion and oral combination, and injection 269

Steffens W., H. Wirth, and B. RennertEffects of adding various oils to the diet on growth, feed conversion and chemicalcomposition of carp (Cyprinus carpio) 270

Szabo P., F. Pekar, and J. OlahPhysical and chemical environment in a fish-cum-duck culture system in Hungary 271

Tamazouzt L., B. Capdeville, P. Fontaine, D. Terver, and A. GeorgesGrowth of perch (Perca fluviatilis) fed on a formulated diet reared in two culturesystems : closed circuit and floating cage culture 272

Teichert-Coddington D.R. and B.W. GreenUsefulness of inorganic nitrogen in organically fertilized tilapia production ponds 273

Teo L.H., T.W. Chen, and H.L. LeePond culture of Moina on pig manure as live food for tropical ornamental fish 274

Teskeredzic E., M. Tomec, M. Hacmanjek, E. McLean, Z. Teskeredzic, and E.M.DonaldsonGrowth and body composition of common carp (Cyprinus carpio, L.) maintained ataphagic thermal conditions: response to porcine somatotropin therapy 275

Thompson I., A. White, T.C. Fletcher, D.F. Houlihan, and C.J. SecombesThe effect of stress on the immune response of Atlantic salmon (Salmo salar L.) feddiets containing different amounts of vitamin C 276

Thune R.L., J.P. Hawke, and M.C. JohnsonStudies on vaccination of channel catfish Ictalurus punctatus against Edwardsiellaictaluri 277

Trzebiatowski R., J. Filipiak, and J. SadowskiDetermination of the most effective protein level in feeds for African catfish, Clariasgariepinus (Burchell, 1822) 278

Trzebiatowski R., J. Filipiak, and J. SadowskiFeeding of African catfish, Clarias gariepinus (Burchell, 1822) with feeds containingdifferent fat levels 279

Valverde J.Aquaculture development by the National Banana Corporation of Costa Rica from1975 to 1992 280

Varadi L. and B. TahyThe change of the fish production sector in Hungary during the transition period intomarket economy 281

XX

Velasco-Escudero M. and R. Cortes-MaldonadoWater hyacinths (Eichhornia crassipes) effect on fish (Oreochromis niloticus)production in warm water fed ponds 282

Verreth J., G. Custers, and W. MelgerThe metabolism of neutral and polar lipids in eleuthero-embryos and starving larvae ofthe African catfish Clarias gariepinus 283

Vissio P., M. Matkovic, A. Valcarel, M.C. Maggese*, y G.A. GuerreroEstudios preliminares sobre induction y preservation de esperma en Rhamdia sapo(Pisces, Pimelodidae) 284

Yadava N.K. and VaishaliRecycling of duckery wastes through aquaculture under integrated fish fanning systemin India 285

Zagorodny A., A. Sviridov, and V. ChmelnitskyMathematical modelling of the fish rearing in closed water systems 286

MARINE FISH

Plenary paper

Sweetman J.W.Perspectives and critical success factors in the present fanning of fish 288

Parallel session 4 - Marine fish I

Watanabe T. and V. KironMarine finfish farming in Japan 289

Parker H.S.Cultivation of marine finfish in North America 289

Stephanis J. and P. DivanachFarming of Mediterranean finfish species. Present status and potentials 290

KraulS.Special session marine fish: Mahimahi panel session 291

OlsenY.Commercial flatfish farming in Europe: halibut and turbot 292

Kikuchi K., W.T. Yang, and H. HondaThe state of the art of flatfish culture in the Far East 293

Parallel session 4 - Marine fish II

Tilseth S.Cold water round-fish species for aquaculture in the North Atlantic 294

Pechmanee T.Sea bass (hates calcarifer) farming in South East Asia and Australia 295

Tamaru C.S., F. Cholik, J.C.-M. Kuo, and B. FitzgeraldStatus of the culture for striped mullet (Mugil cephalus), milkfish (Chqnos chanos) andgrouper (Epinephelus sp.) 296

HoffF.Marine ornamental fish culture 298

Shaw S.Marketing marine fish from aquaculture 299

XXI

Parallel session 4 - Marine fish III

Lavens P.Larviculture technology 300

Informal workshop - Marine fish : Microbiology in commercial hatcheries

DixonB.Microbiology in commercial hatcheries 301

Informal workshop - Marine fish: Landbased versus ocean based farming systems

Papoutsoglou S.E.Potential of recirculated water systems 302

Fresi E., S. Cataudella, A. Lazzari, M. DiBitetto, and C. LorenziEnvironmental aspects of land-based and mariculture systems 303

Lazzari A. and M. DiBitettoDemonstrative offshore farming project in Italy 304

Blakstad F.The economic aspects of land based versus ocean based Atlantic salmon farming 305

Marine fish - Posters

Ako H., S. Kraul, L. Fujikawa, K. Britten, and M.C. HollandFeasibility of a commercial growout of juvenile Mahimahi Coryphaena hippurus 306

Altimiras J., A. Aissaoui, M. Puigcerver, and L. TortHeart rate variability signal, a potential non-invasive and real-time indicator of stress infish 307

Arias A.M. and P. DrakeEvolution of fish production in saltmarsh fish ponds of the Bay of Cadiz (Spain) 308

Arzel J., M. Cardinal, J. Comet, R. Metailler, and J.C. GuillaumeNutrition of brown trout (Salmo trutta ) reared in seawater, effect of dietary lipid ongrowth performances, body composition and fillet quality 309

Azam P., H. Sveier, C. Weigel, and E. WathneDevelopment of a grower feed for turbot (Scophthalmus maximus) from R&D tocommercial enterprises 310

Balebona Accino C, J. Sedano, C. Bustamante, I. Zorrilla, M.A. Morinigo, and J.J. BorregoPatologias de origen bacteriano relacionadas con el cultivo de doradas (Sparus aurata)en el sur de Espana 311

Benetti D.D. and L. MartinezRespiratory distress in dolphin, Coryphaena hippurus, larvae 312

Benetti D.D., E.S. Iversen, A.C. Ostrowski, and P. L. LutzGrowth and bioenergetics of captive dolphin, Coryphaena hippurus 313

Berg A.Evaluation of various oxygenation methods. Operational costs 314

Bibiloni G., A. Cladera, M.A. Gomila, S. Massuti, and I. ZaratieguiContribution to the growing of Dentex dentex 315

Bibiloni G., A. Cladera, M.A. Gomila, S. Massuti, y I. ZaratieguiContribution al preengorde y engorde de Dentex dentex 316

Bibiloni G., A. Cladera, M.A. Gomila, S. Massuti, and I. ZaratieguiA small-scale experiment on rearing of Dentex dentex 317

Bibiloni G., A. Cladera, M.A. Gomila, S. Massuti, y I. ZaratieguiExperiencia piloto de produccion de alevines de Dentex dentex 318

XXII

Bibiloni G., A. Cladera, S. Massuti, and I. ZaratieguiStudy of rotifer productivity in a fish farm using different culture methods 319

Bibiloni G., A. Cladera, S. Massuti, y I. ZaratieguiEstudio de productividades del rotifero (Brachionus plicatilis O. Miiller) en una plantaindustrial de alevines, usando diversos metodos de cultivo 320

Bogaert P., M. Dehasque, and P. SorgeloosProbiotic effects of bacteria on the growth of the rotifer Brachionus plicatilis in culture . . . . 321

Bossu T. and M.G. FinoiaStatistical comparison between two sampling methods for the analyses of someplamatic enzymes in sea bass (Dicentrarchus labrax) 322

BouzaC, S. Gomez, L. Sanchez, and P. MartinezCytogenetical analysis and allozyme variation in turbot populations (Psetta maxima)from natural and hatchery origin 323

Brennan C, J. Falvey, D. O'Neill, and R.D. FitzGeraldStudies on growth of turbot (Scophthalmus maximus L.) under the ambient conditionsin Ireland 324

Bugrov L. and W. MuravjevStudy of cultured fish behaviour: methodologic approach for offshore areas 325

Caggiano M., S. Canese, A. Lupo, and A. CirilloExperiences of artificial reproduction and larval rearing of sheepshead bream (Diploduspuntazzo) in the south of Italy 326

Cal Rodriguez R.M., M. Olmedo, and B. Alvarez-BlazquezInvestigation y caracterizacion de la alimentation del rodaballo (Scophthalmusmaximus L.) con dietas de alto rendimiento 327

Calabrez M.C.T., P. Lintermans, and J. VosjanThe polymerase chain reaction (PCR) technique as a specific and sensitive detectionmethod for Aeromonas salmonicida and Aeromonas sobria in natural ecosystems(water, sediment and fish) 328

Calderer Reig A. and F. Castello-OrvayEstudio comparativo del crecimiento de la lubina (Dicentrarchus labrax, L.) endiferentes condiciones de cultivo 329

Cardona L. and F. Castello-OrvayEffecto de la salinidad y de la concentration de oxigeno sobre el metabolismo de rutinade juveniles de Chelon labrosus (Osteichthyes, Mugilidae) 330

Cardona L. y F. Castello-OrvayEfecto de la salinidad sobre la perdida de peso de juveniles de Chelon labrosus(Osteichthyes, Mugilidae) sometidos a ayuno prolongado 331

Caruso G., L. Genovese*, and S. GrecoEffect of two diets on the enzymatic activity oiPagellus acarne (Brunnich 1768) inintensive rearing 332

Castell J.D., G.J. Bell, and J.R. SargentEffects of purified diets containing different combinations of arachidonic anddocosahexaenoic acid on survival, growth and fatty acid composition of juvenile turbot(Scophthalmus maximus) 333

Castro L., D.A. Davis, and D.C.R. ArnoldEvaluation of nutrient digestibility in red drum (Sciaenops ocellalus) 334

Chair M., M. Dehasque, S. Van Poucke, P. Sorgeloos, and H. NelisLive food mediated drug delivery as a tool for disease treatment in larviculture in. Acase study with turbot (Scophthalmus maximus) larvae 335

Chair M., M. Dehasque, and P. SorgeloosVaccination of sea bass fry via bioencapsulation in Anemia nauplii 336

Chereguini O., R.M. Cal, J.B. Peleteiro, and A. GarciaEstudios preliminares sobre conservation de embriones de rodaballo (Scophthalmusmaximus L.) y besugo (Pagellus bogaraveo B.) 337

XXIII

Chemitsky A.G.A "drinking-apparatus" significantly reduces the winter mortality of sea-fanned Atlanticsalmon (Salmo salar) 338

Chow P.S.L.H. Teo, and T.W. ChenA physiological approach to the problems of live fish transport by air 339

Cioffi R, A. Di Eugenio, and M. VitaleA study of hyper-intensive aquaculture ecosystem: design and management of tanks bymeans of a new model of numerical simulation 340

Coutteau P., G. Van Stappen, M. Stael, I. Geurden, P. Lavens, and P. SorgeloosA standard experimental diet for fish nutrition research: preliminary evaluation 341

Coves D. and E. GassetGilthead sea bream (Sparus aurata) intensive larvae rearing in closed system 342

Coz-Rakovac L., E. Teskeredzic, Z. Teskeredzic*, and E. McLeanAlterations in body composition and blood parameters of coho salmon Oncorhynchuskisutch (Walbaum), following smoltification in the Adriatic 343

Craig S.R. and D.M. GatlinH.1The effects of alternate lipid sources on growth and body composition of juvenile reddrum (Sciaenops ocellatus) 344

Day O., D.A. Jones, and B.R. HowellTrypsin activity in Dover sole (Solea solea) larvae after ingesting Anemia nauplii, amicroencapsulated diet, microalgae and polystyrene beads 345

Deady S., S. Varian, and J. FivesThe use of wrasse as cleaner fish on an Irish salmon farm: an alternative treatment forsea lice 346

Dehasque M., B. Devresse, M. Chair, and P. SorgeloosEffective suppression of bacterial bloom during hatching and enrichment of Anemiaand its applicability in fish/shrimp hatcheries 347

Devresse B., M. Stael, E. Sweetman, D. Troianos, and P. LavensAdvantages of using extruded feeds versus pelletized feeds in the cage farming of seabream and sea bass in the Mediterranean Sea, preliminary results 348

Dinis M.T. and F. SoaresSkeleton abnormalities in farmed fish 349

Dominy W.G., R.R. McEllhiney, K.C. Behnke, and E.O. DuerrFeed mill laboratory: design criteria for aquaculture feed processing methods 350

Dong H.Welfare analysis of hatchery technology transfer on the milkfish industry in thePhilippines 351

Douillet P. and G.J. HoltAdvances towards the microbial management in closed recirculating productionsystems of marine fish larvae 352

Egeberg P.K., M. Frogh, and R. KristiansenA numerical model for sediment and water quality at fish farming sites 353

El-Sayed A.-F. M., K.A. Mostafa, J.S. Al-Mohammadi, A. El-Dehaimi, and M. KayidEffects of stocking density and feeding levels on growth rates and feed utilization ofrabbitfish, Siganus canaliculatus 354

El-Sayed A.-F. M. and K.A. MostafaReproductive biology of longspine sea bream, Argyrops spinifer (Forsskal) 355

Farmanfarmaian A.V. and L.-Z. SunStimulation of nitrogen retention by growth hormone in striped bass hybrids 356

Fermin A.C. and Ma.E.C. BolivarNursery of sea bass, bates calcarifer (Bloch), fry in illuminated floating net cages. II.Effects of varying stocking densities and supplemental feeding 357

XXIV

Fernandez C, E. Pascual, and M. YiiferaStudies on feeding of gilthead sea bream, Sparus aurata, larvae using inert particles 358

Fernandez Gonzalez F., L.R. Cumplido, J. Guinea, and I.V. BaananteNitrogen budget in the gilthead sea bream (Sparus aurata) under several feedingregimes 359

Femandez-Palacios H., D. Montero*, J. Socorro, M.S. Izquierdo, and J.M. VergaraFirst studies on spawning, embryonic and larval development of Dentex gibbosus(Rafinesque, 1810) (Pisces, Sparidae) under controlled conditions 360

Femandez-Palacios Balbea H., M.S. Izquierdo, L. Robaina, M. Salhi, M. Gonzalez, CM.Hernandez, J.M. Vergara, y A. ValenciaCalidad de las puestas de dorada (Sparus aurata) en funcion del contenido en n-3HUFAen las dietas 361

Fernandez-Pato C , C. Martinez-Tapia, and O. ChereguiniBlack-spot sea bream culture (Pagellus bogaraveo B.): current state of research 362

Fernandez Puentes C , B. Novoa, and A. FiguerasTwo new cell lines from turbot (Scophthalmus maximus) 363

Fernandez Vilar A., V. Gratia Lopez, and F. Castello-OrvayEfecto de la temperatura en el crecimiento del mero (Epinephelus guaza, L1758) encautividad 364

Fjaera S.O. and O.-I. Lekang*Fish handling in landbased fish farms 365

Fjaera S.O. and G. SkogesalUnderwater size-grading of fish 366

Flanigan M. and R.D. FitzGeraldComparison of growth and feeding efficiency of juvenile turbot (Scophthalmusmaximus L.) reared on three commercial diets and at two rations 367

Flores H.Cultivo de Oncorhynchus mykiss en jaula de Malla Cobre-Niquel 90/10 en el estuariode Reloncavi, Chile 368

Flos R., L. Reig, J. Gonzalez, and M. GinovartIndustrial culture system and marketing influences in gilthead sea bream (Sparusaurata) quality 369

Garcia A., J.A.. Munoz-Cueto, M.L. Gonzalez de Canales, R.B. Rodriguez, and M.C.SarasqueteImmunocytochemical distribution of gonadotrophic cells in the pituitary gland ofFundulus heteroclitus Linneo, 1758. A new method useful for hydrophylic resinembedded sections 370

Garcia Franquesa E., A. Molinero, and R. Flos*Influence of sex, age and season in muscle composition of sole 371

Garcia Garcia B., J. Moreno, and M.J. RosiqueInfluencia del peso corporal y la alimentation sobre el consumo de oxigeno de seriola(Seriola dumerilii) 372

Garcia Gomez A.Crecimiento y comportamiento alimentario de alevines de seriola mediterranea (Serioladumerilii, Risso 1810) alimentados con un pienso semihumedo 373

Garcia-Rejon L., M.J. Sanchez-Muros, M.D. Suarez, M. Ferrero, and M. de la HigueraEvolution of piruvate kinase activities during the breeding season of sea bass(Dicentrarchus labrax): influence of diet composition 374

Garriques D. and D. BenettiCommercial marine finfish culture development in Ecuador: the beginning of a new era . . . . 375

Gaumet R, A. Dosdat*, and E. DesbruyeresMonitoring of marine fish excretion: methodological approach and application toammonia production in fasted turbot (Scophthalmus maximus) 376

XXV

Geldhart S. , P.R. Brown, and P.D. Maugle*Bioavailability of ascorbate-2-sulfate in Atlantic salmon 377

Gomez Gomez E., J.O. Sunyer, y L.I.TortIndicadores inmunitarios en dorada (Sparus aurata) sometida a estres 378

Grau A., G. Gonzales, E. Pastor, E. Layous, and S. CrespoHistopathological observations of wild amberjack Seriola dumerili from the SpanishMediterranean area 379

Grazina Freitas S., P. Cruz e Silva, and M. Carvalho-Varela*Some pathological aspects of cultured gilthead sea bream and sea bass in Portugal 380

Griffin M.E. and P. B. BrownDietary choline requirement of juvenile hybrid striped bass 381

Grisez L., J. Reyniers, and F.O. OllevierMicrobial colonization of the intestine of sea bass and sea bream during larvaldevelopment 382

Guinea J. and F. FernandezTemperature and food effects on the energy metabolism of gilthead sea bream (Sparusaurata) 383

GwoJ.-C. andH.-H.GwoSpcrmatogenesis in the black porgy, Acanthopagrus schlegeli (Teleostei: Perciformes:Sparidae) 384

Hcyerdahl P.H.Automatic weight estimation of swimming fish 385

Hovgaard P.A simple light regime for successful smoltification of 0+ salmon in heated andrccirculated water 386

Huntsman L.C., R.A.R. Tasker, and J.F. BurkaIn vitro studies of mediator release from eosinophil granule cells from rainbow trout(Oncorhynchus mykiss) intestine 387

Ibeas Rodriguez C, J.M. Trujillo, M.S. Izquierdo, y A. Lorenzo-HernandezInfluencia de los acidos grasos altamente insaturados en el higado y su relation con elcrecimiento del juvenil de dorada (Sparus aurata) 388

Iglesias J., G. Rodriguez-Ojea, and I.E. CalcedoInfluencia del tamafio de rotifero en la primera alimentation de larvas de rodaballo(Scophthalmus maximus L.) 389

Iglesias J., G. Rodriguez-Ojea, B. Alvarez-Blazquez, y C. GomezDefinition del punto de no retomo en larvas de rodaballo (Scophthalmus maximus L.)sometidas a un proceso de inanicion a tres distintas temperaturas (13, 15 y 18CC) 390

Iwata N., H. Honda, and M. KiyonoEffects of temperature on growth of Japanese flounder Paralichthys olivaceus 391

Jenkins WE., T.I.J. Smith, J.S. Hopkins, J.A. Hefferman, and M. BandIntensive brackish water pond culture of striped bass hybrids with minimal waterexchange 392

Kamstra A. and W.P. DavidseEconomical feasibility of turbot culture in recirculation systems 393

Keembiyehetty C.N. and D.M. Gatlin HIEvaluation of different sulfur compounds in the diet of fingerling sunshine bass(Morone chrysops/emale x M. saxatilis male) 394

Kent D.B., S. Johnson, R.F. Ford, and M.A. DrawbridgeAn eight year spawning history of white sea bass (Atractoscion nobilis) underartificially controlled temperature and photoperiod conditions 395

Kentouri M., P. Divanach, N. Papandroulakis, and S. StefanakisBiological performance of intensively reared sea bream (Sparus aurata) larvae in apilot closed system 396

XXVI

Kentouri M., G.V. Vlachonis*, P. Divanach, and N. PapandroulakisOn the effect of a bronze pump propeller on the copper water quality and survival ofsea bass (Dicentrarchus labrax) eggs in intensive larval aquaculture closed system 397

Kentouri M., P. Divanach, A. Hagiatanasiu*, and N. PetrakisOne day predictive equation of Brachionus plicatilis population growth in masscultures using egg counts 398

Khanaichenko A., Yu. Bityukova, and N. TkachenkoWays to improve turbot larvae rearing 399

Kikuchi K., H. Honda, and M. KiyonoEffect of dietary protein source on growth and nitrogen excretion of Japanese flounder(Paralichthys olivaceus) 400

Kim B.G., S. Monahan, E. Schaleger, and A.C. OstrowskiIntensive hatchery culture of mahimahi (Coryphaena hippurus) at the Oceanic Institute . . . .401

Knibb W.R., A. Colomi, and M. AnkaoumaIdentification and detection of a marine Mycobacterium sp. from Dicentrarchus labraxusing direct sequencing of 16S ribosomal sequences and polymerase chain reaction 402

Kraul S. and H. AkoSuccessful methods for mahimahi aquaculture 403

LeaMaster B., B.G. Kim, and A.C. OstrowskiCaudal peduncle disease in juvenile mahimahi (Coryphaena hippurus) 404

Liltved H. and B. LandfaldInactivation of two bacterial fish pathogens by ultraviolet radiation and recovery bysubsequent treatment with visible light 405

Liu J., L. Maotang, W. Keling, W. Xincheng, and L. JiangkangStudies on the phosphorus requirement and proper calcium/phosphorus ratio in the dietof the Black Sea bream (Sparus macrocephalus) 406

Liu J., L. Maotang, W. Keling, and W. XinchengStudies on the optimum protein content and the ratio of animal to plant protein in thediet of the Black Sea bream (Sparus macrocephalus) 407

Lo Paro G., S. Greco, and S. Cammaroto*Comparison of intensive rearing of sparids (Perciformes, Osteichthyes) in temperatedwaters 408

Lopez J.E., L. Angulo, J.A. Vicente, y M.L. FreireInfection mixta por protozoo y bacteria en rodaballo (Scophthalmus maximus)cultivado en Galicia (Noroeste de Espana) 409

Lopez-Alvarado J. and A. KanazawaUtilization of crystalline amino acids by Japanese flounder larvae, Paralichthysolivaceus (Temminck & Schlegel), fed on zein-microbound diets 410

Loverich G. and T. CrokerOffshore sea farms: 32 months experience with ocean spar systems 411

Martinez-Tapia C. and C. Fernandez-PatoUse of fat, carnitine and vitamin E in the ongrowing of turbot (Scophthalmus maximusL.) 412

Micale V, L. Genovese, S. Greco, and F. PerdichizziAspects of the reproductive biology of the amberjack, Seriola dumerili (Risso 1810) 413

Midtlyng P.J.Efficacy and side-effects in Atlantic salmon (Salmo salar L.) of injectable furunculosisvaccines 414

Mosconi G., O. Camevali, F. Facchinetti, A. Roncarati, P. Belvedere, and A.M. PolzonettiMagniMelanotropic peptides and ovarian function in natural and fish farm sea bream and seabass 415

XXVII

Moyano Lopez F.J. and M.C. SarasqueteA screening on some digestive enzyme activities of gilthead sea bream {Sparus aurata)larvae 416

Muravjev W., L. Buqrov, and L. BougrovaUnderwater aquaculture technology in offshore areas 417

Mylonas C.C., P. Swanson, L.C. Woods, E. Jonsson, J. Jonasson, S. Stefansson, and Y.ZoharGnRHa-induced ovulation and sperm production of striped bass, Atlantic and Pacificsalmon using controlled-release devices 418

Navarro Tarrega J.C., R.S. Batty, M.V. Bell, and J.R. SargentEffects of dietary fatty acids on the fatty acid composition of neural and visual tissuesof fish larvae 419

Nebot A. y G. MinkoffComparacion de dietas de destete de la casa EWOS para rodaballo (Scopthalmusmaximus) 420

Nicol V, C. Kelley, G. Miyamoto, A. Moriwake, G. Karimoto, and D. KlotzbackOffseason maturation, spawning, and larval rearing of the striped mullet, Mugilcephalus 421

Nijhof M.The application of commercially exploited recirculating system concepts in the cultureof turbot (Scophlhalmus maximus) 422

Omnes M.H., Y. Temey, J.Y. Daniel, and J.L. NicolasBacterial environment of gametes and eggs of turbot (Scophthalmus maximus) 423

Ostrowski A.C. and B.G. KimResponses of larval and juvenile mahimahi (Coryphaena hippurus) to various dietarylipid sources and n-3 Hufa contents 424

Ostrowski A.C. , B.G. Kim, and S. DivakaranThe importance of fishmeal source and quality in the formulation of practical diets formahiniiihi (Coryphaena hippurus) 425

Ostrowski A.C, E. Schaleger, and E.O. DuerrPractical diets for growout of mahimahi (Coryphaena hippurus) 426

Pane L., L. Casareto, S. Bertone, G.L. Mariottini, C. Pruzzo, and A. CarliSettling dynamics of heterotroph bacteria on copepods living in confined naturalenvironments 427

Paton D., J. Espada, and A. JuarranzEvaluation of growth parameters in relation with the age assessed by skeletochronologyin mullet fishes. New procedures using spine bones and applications to fisherymanagement 428

Patti F. and V. MicaleEffects of different photoperiods on melano-macrophage centres oiPagellus bogaraveo(Brunnich, 1768) 429

Peleteiro J.B., O. Chereguini, R.M. Cal, y A. GarciaResultados preliminares sobre fecundaciones artificiales realizadas con esperma frescoy crioconservado (N2 Liquido) de rodaballo (Scophthalmus maximus L.) 430

Perez J.L., M. Blasco*, y E. SilvaAnalisis cromatico de los juveniles de la lubina (Dicentrarchus labrax L.) y la baila(Dicentrarchus punctatus Bloch) 431

Perez L., M. Jover y J. FernandezCrecimiento de alevines de lubina Europea (Dicentrarchus labrax) alimentados conpiensos extrusionados de diferente nivel proteico 432

Perez-Sanchez J., H. Marti-Palanca*, P.Y. Le Bail, and S.J. KaushikDiet-induced changes in growth rates and somatotropic activities in gilthead sea bream(Sparus aurata) 433

XXVIII

Person Le Ruyet J., H. Chartois, and E. DesbruyeresComparative acute toxicity of ammonia to fish juveniles 434

Petrusevics P., S. Clarke, and D. EvansEnvironmental investigations associated with southern bluefm tuna fanning in ashallow south Australian embayment 435

PinosaM., L.A. Volpelli, F. Tulli, and P. BeraldoNutritional value of Brachionus plicatilis enriched with boosters for larvae ofDicentrarchus labrax 436

Plourde S.M., R.J. Cawthom, T. Rand, K. Benhalima, and R.J. MacMillanMorphological comparison of endogenous stages of Perkinsus-Vike. parasites(Apicomplexa) from Atlantic salmon (Salmo salar) and brook trout (Salvelinusfontinalis) in Eastern North America 437

Pouey J., C. Sanudo, y R. BarreraComparacion de la composition corporal de lubinas (Dicentrarchus labrax)procedentes del cultivo en circuito cerrado y de la pesca en 5 rangos de peso (200-700g) . . . 438

Pousau-Ferreira P. and F.G. NeryThe effect of short and long photoperiod on time of spawning of sea bream Sparusaurata L 439

Poxton M.G. and R. StewartThe importance of dissolved oxygen fluctuations in salmon farming 440

Quiros M. and B.R. HowellSize variation in cultured sole, Solea solea (L.) 441

Remmerswaal R.Recirculation systems; principles and prospect 442

Requena A., J. Fernandez-Borras, I. Marimon, J. Blasco, and J. PlanasThe effects of temperature and salinity on growth, indexes and organ composition ofthe gilthead sea bream, Sparus aurata L 443

Robaina L.E., F.J. Moyano, M. Izquierdo, J.M. Vergara, H. Fernandez, and D. MonteroDigestive and metabolic utilization of different diets by gilthead sea bream (Sparusaurata); environmental implications 444

Robinette H.R. and J.B. TaylorProduction of phase II and El hybrid striped bass fed experimental practical feeds 445

Robles R., M.B. Muriel, and Modulo de EngordeA water-propeller low-cost feeder for fish cages 446

Rodriguez C, J.A. Perez, A. Lorenzo, M.S. Izquierdo, y H. Femandez-PalaciosDisminucion del requerimiento de n-3 HUFA de las larvas de la dorada europea(Sparus aurata), mediante la utilization en la dieta de una relation EPA/DHAequilibrada 447

R0edH.Environmental problems relating to the use of drugs in aquaculture 448

Rueda F.M., M.P. Garcia-Riera, F.J. Sanchez, S. Zamora, y J.A. MadridEstimulacion de la ingesta de alimento en la lubina tras la incorporation deneohesperidina dihidrochalcona a la dieta 449

Sabapathy U. and L.H. Teo*Alkaline proteoses in the intestine of the rabbitfish, Siganus canaliculatus (park) 450

Sabapathy U. and L.H. Teo*A light microscopic study of the digestive tract of the Asian sea bass, Lates calcarifer(Bloch) 451

Sail E., H. Femandez-Palacios, L. O'Shanahan, and J.M. VergaraHaemorrhagic septicaemia caused by vibrio vibrio sp. in sea bass (Dicentrarchuslabrax) juveniles 452

Sail E., L. O'Shanahan, H. Femandez-Palacios, J.M. Vergara, and C. MonzonVibrio alginolyticus infection in sea bass (Dicentrarchus labrax) 453

XXIX

Sail E., L. O'Shanahan, H. Femandez-Palacios, J.M. Vergara, and J.A. SocorroPreliminary data on experimental infection with Vibrio anguillarum and Vibrioalginolyticus in sea bream (Sparus aurata) 454

Sail E., L. O'Shanahan, H. Femandez-Palacios, J.M. Vergara, and J.A. SocorroDatos preliminares sobre la infection experimental de Vibrio anguillarum y Vibrioalginolyticus en dorados (Sparus aurata) 455

Sail E., J.M. Vergara, H. Femandez-Palacios, L. O'Shanahan and C. MonzonAbdominal swelling in sea bream Sparus aurata cultured in tank system 456

Sail E., J.M. Vergara, H. Femandez-Palacios, L. O'Shanahan and C. MonzonDistension abdominal en doradas (Sparus aurata), cultivadas en sistemas intensivo 457

Sanchez Lamadrid A.Natural production of copepods in earth ponds 458

Sanchez F.J., R.M. Cal, and C. GuisandeOxygen consumption of turbot (Scophthalmus maximus L.) juveniles between 15°Cand 22°C, under experimental conditions 459

Sanni S. , A. Seymour, and J. StossOn-growing of lurbot in a pilot scale marine recycling system 460

Santulli A., A. Modica, A. Curatolo, and V. D' AmelioLipid and apoprotein composition of lipoproteins of sea bass (Dicentrarchus labrax L.) . . . . 461

Sarasquete M.C., E. Pascual, y M. YiifcraCaracteristicas histologicas del ovario de reproductores de Sparus aurata L. en distintascondiciones de fotoperiodo 462

Sarasquete M.C, E. Pascual, y M. YiiferaHistology of the ovaries of Sparus aurata Linneo, 1758 broodstocks under differentphotoperiod regimes 463

Saroglia M., A. Mazzatura, F. Colloca, A. Rizzo, and E. IngleWater quality at intensive land-based eel and sea bass farms in Italy 464

Seland A. and A. BergBiological effects of oxygen bubbles on Atlantic Salmon (Salma Salar) 465

Sheehan E.M., P.J.A. Sheehy, P.A. Morrisey, and R.D. FitzGeraldCompositional analysis on wild and farmed turbot (Scophthalmus maximus L.), andturbot feeds in Ireland 466

Shpigel M., A. Neori, R. Fridman, D. Ben-Ezra, and H. GordinPolyculture for bio-purification of fish farm effluents 467

Sierra M.A., F. Hidalgo, and M. de la HigueraMethionine microencapsulation as a way of supplementing dietary protein for thegilthead sea bream Sparus aurata 468

Silva A.J. y J. del ValleCultivo associado de Sparus aurata (Linneaus, 1758) y Ruditapes philippinarum(Adams et Reeve, 1850) 469

Silva A.J. and J. del ValleAssociated culture of Sparus aurata (Linnaeus, 1758) and Ruditapes philippinarum(Adams et Reeve, 1850) 470

Silva A. y H. FloresObservaciones sobre el engorde de lenguado chileno (Paralichthys adspersusSteindachner, 1867) en cautiverio 471

Skjervold P.O.Fish feeding station 472

Soares F., P. Pousao-Ferreira, and M.T. DinisAbnormal development in the swim bladder of Sparus aurata larvae: hyperinflation 473

Soares R, M.T. Dinis and P. Pousao-FerreiraEffect of the oil film surface in water in the second step swim bladder expansionprocess in Sparus aurata larvae 474

XXX

Soares Jr. J.H., S.C Woods, T.A. Shellem, D.S. Dougall, B. Hollis, and J.M. Ken-Studies on the vitamin D3 requirement of striped bass (M. saxatilis) 475

Spedicato M.T, G. Lembo, and P. TrottaLarval and post-larval rearing of Paralichthys olivaceus (Temminck and Schlegel): thefirst experience in Italy 476

Stael M., F. Bosc, E. Abatzidou, P. Candreva, B. Devresse, and P. LavensProcedures for the mass cultivation and enrichment of the rotifer Brachionus plicatilisat commercial scale using vitamin C fortified diets 477

Suquet M., R. Billard, J. Cosson, Y. Normant, and C. FauvelThe influence of gamete contact time on the fertilization rate of turbot (Scophthalmusmaximus) eggs 478

Sutherland R.Economic aspects of potential systems for farmed production of Atlantic halibut 479

Thomassen J.M. and O.I. LekangOptimal distribution of feed in sea cages 480

Thomassen J.M. and O.I. LekangAnew method to fight salmonlice 481

Tibaldi E., F. Tulli, D. Lanari, and M. PinosaQuantitative tryptophan requirement of sea bass fingerlings 482

Toranzo A.E., J.L. Romalde, Y. Santos, B. Magarinos, and J.L. BarjaAn appraisal of fish vaccination against vibriosis, erm, and pasteurellosis 483

Trimigliozzi R, P. Minoia, P. Villani, and S. PelosiGonadic stimulation in Mugil cephalus L. by means of a mammalian Gn-RH in adifferent period of normal reproduction 484

Ulgenes Y. and B. EikebrokkApplications of simplified recirculation technology for production of salmonids infreshwater and sea water 485

van Rijn J. and R. ArbivPerformance of a treatment system for inorganic nitrogen removal in intensiveaquaculture systems 486

Vergara J.M., K. Jauncey, M. De la Higuera, and H. Femandez-PalaciosDietary protein requirements of gilthead sea bream (Sparus aurata L.) at two differentsizes 487

Vergara J.M., K. Jauncey, and M.S. IzquierdoSuitable protein and lipid levels in diets for gilthead sea bream (Sparus aurata L.)fingerlings and growers 488

Wajsbrot N., A. Gasith, A. Diamant, M.D. Krom, and D.M. PopperAcute and chronic toxicity of ammonia to juvenile gilthead sea bream (Sparus aurata)and related histopathological effects under reduced oxygen levels 489

Wang J.K. and D.L. GoldsmithA two component model for the optimization of recirculating system efficiency 490

Woods C , M. Subramanyam, D. Yust, and C. McLeodEvaluation of practical feed formulations with varying energy: protein ratios for stripedbass (Morone saxatilis) 491

Zhuravleva N.G. and I.I. PetrovThe method of cod larvae rearing under the climatic conditions of East Murman 492

ENVIRONMENT

Plenary paper

Beveridge M.C.M., L.G. Ross, and L.A. KellyEnvironmental impacts of aquaculture - disturbances of biotopes and influence ofexotic or local species new to aquaculture 494

XXXI

Environment - Posters

Cabrini M. and S. CokThe impact of toxic algae in a lagoon ecosystem 495

Cripps S.J. and M.G. PoxtonParticle movements in aquaculture tanks - a review 496

Donati R, S. Clocchiatti, and T. VesculThe energetic balance sheet in aquaculture 497

Forsberg O.I.Optimal productional and harvesting strategy in a fish farm at fluctuating sales pricesand environmental carrying capacity 498

Jimenez del Rio M. and G. Garcia Reina*Fish waste waters, a resource for seaweed cultivation 499

O'Connor B., P. Dinneen, J. Costelloe, and J. FaullThe effect of harrowing and fallowing on sediment quality parameters under a salmonfarm, on the west coast of Ireland 500

Priyan R.D. and H.D. SmithEIA as a management tool for the use of chemicals for fish farming in UK 501

RennertB.Nutrient output of a land-based trout farm 502

Suzdaltsev A.The system of ecoex and diagnostic - information possibilities in ecological andtoxicological analysis in water areas of Baltic Sea and cost cage system 503

Tarazona J.V.Interaction between aquaculture and the environment: the toxicological point of view 504

Zaitsev V.Control of ecological modification from the viewpoint of fishery 505

GENETICS AND BIOTECHNOLOGY APPLIED TO AQUACULTURE

Plenary paper

Donaldson E.M.Biotechnology and genetics applied to aquaculture 508

Parallel session 5 - Genetics and biotechnology applied to aquaculture

ZoharY.Manipulation of spawning in farmed fish 509

McLean E., R.H. Devlin, and E.M. DonaldsonGrowth acceleration biotechnologies for cultured salmonids 510

Fletcher Garth L., PL. Davies, and CL. HewTransgenic salmon: tailoring the genome for food production 511

Carrillo M., S. Zanuy, M. Blazquez, J. Ramos, F. Pifener, and E. DonaldsonSex control and ploidy manipulations in sea bass 512

Pandian TJ.Techniques for the production of all female triploid tilapia and all male triploid fighterfish 513

Penman D.J. N. Roongratri, P. Baopasertkul, and B.J. McAndrewMonosex culture of Puntius gonionotus: sex reversal of gynogenetic fry 514

XXXII

Genetics and biotechnology applied to aquaculture - Posters

Afonso L.O.B., E.M. Leboute, and S.M.G. de SouzaSex reversal of Tilapia Nilotica (Oreochromis niloticus), by immersion treatment, using17-alpha-methyltestosterone after hatching 515

Castilho R., M.T. Dinis, J. Wallace, and B.J. McAndrewPreliminary report on the genetic variability of a southern Portuguese population of theEuropean sea bass Dicentrarchus labrax L 516

Downing S.L., J.M. Santos, W.K. Hershberger and K.K. ChewExamining the potential of oyster hybridization as an aquaculture/genetic tool 517

Garrido-Ramos M.A., M. Jamilena, R. Lozano, C. Ruiz Rejon, S. Cardenas, and M. RuizRejonPhylogenetic relationships in the sparidae family inferred from ribosomal and satelliteDNA analyses 518

Gerard A., Y. Naciri*, I. Peudenier, C. Ledu, J.-M. Peignon, and P. PhelipotAttempts to produce gynogenetic Crassostrea gigas using UV irradiated sperm 519

Lee J.H., H.-Y. Park*, S.H. Lee, and S.S. ParkLocalized expression of LacZ gene microinjected into fertilized 1-cell loach(Misgurnus mizolepis) embryo 520

McLean E., R.H. Devlin, E.M. Donaldson, CA. Baile, R.J. Collier, and G.G. KriviPreliminary evaluation of a sustained-release somatotropin formulation for use inintensive aquaculture 521

Mialhe E., J.P. Cadoret, S. Gendreau, J.M. Delecheneau, and C. RousseauGenetic transformation of molluscs and crustaceans for disease-resistance 522

Mota Alves M.I.Histological effects of feeding 17 alfa-methyltestosterone to Oreochromis niloticus (L.) . . . .524

Perez J.E.Program of genetic improvement in molluscs 525

Silverstein J.T. and W.K. HershbergerA quantitative genetic study of growth and sexual maturation in Coho salmon(Oncorhynchus kisutch) 526

Solar I.I., E. Zaniboni Filio, F. Foresti, N. Castagnolli*, E.D. Carvalho, J.B.K. Fernandez,J.R Lui, and J. SmithInduction of gynogenesis in pacu (Piaractus mesopotamicus) and tambaqui(Collossoma macropomum) 527

INTERNATIONAL SCIENTIFIC COOPERATION

Parallel session 6 - International scientific cooperation

Ferlin P.Comparison of inter-regional cooperation: the Mediterranean regional aquacultureproject (Medrap) and the Asean-EC programme AADCP 530

Bilio M.What's wrong with aquaculture development in Subsaharan Africa? 531

Ross L.G. and M.C.M. BeveridgeInternational cooperation in aquaculture research and development: the role of theoverseas development administration (UK) 532

Guerlorget O., J.L. Martin, J.P. Perthuisot, J. Fuchs, and M. Suastika JayaJava and Sumatra coastal environments potentialities and impact of aquaculture 533

Thalathiah S., H.P. Chuah, O.A. Ashhar, S. Mohd. Zaini, S. Pathmasothy, and A.D. BuijseDevelopment of Malaysian lakes and reservoirs for fish production 534

Chou R., J. Guillaume, H.B. Lee, G. Cuzon, and H.H. HengOptimal protein/energy ratio of Asian sea bass Lates calcarifer (Bloch) 535

XXXIII

International scientific cooperation - Posters

Manzano C, y Y. ZanetteCooperacion sobre acuicultura entre Poitou-Charentes y Andalucia: estudio de lossistemas acuicolas en las marismas maritimas 536

AQUACULTURE GENERAL

Plenary paper

Hempel E.Constraints and possibilities for developing aquaculture 538

Aquaculture general - Posters

Bianchini M.L. and G.B. PalmegianoThe importance of "minor" species in aquacullure 539

Cuellar L., L. Martinez Millan, y J. Perez FuentesEstado actual de la quimioterapia en la piscicultura de Espana 540

Flores-Nava A., E. Gasca-Leyva, and M.A. Olvera-NovoaThe effects of water residence-time of culture tanks, on survival and metamorphosis oftadpoles of Rana catesbeiana Shaw 541

Ivanov V.N.Ecological and industrial problems in mariculture at the Black Sea 542

Kholodov V.An approach to optimum control of aquaculture 543

Narciso L.Rearing cuttlefish (Sepia officinalis): juvenile's nutrition 544

Olvera-Novoa M. A., M. Benitez Mandujano, and A. Flores NavaEffect of spirulina (Spirulina sp.) supplementation in diets for bull frog (Ranacatesbeiana) tadpoles 545

Pan M., and P. S. LeungAquaculture development in Guangdong Province of China 546

Pelosi S., G. Cozzolino, and G. SansoneRearing at Caiman Crocodilus Yacare and experimentation of artificial diets 547

Rosety Plaza M., M.C. Carrasco Molinillo, A. Ribelles Garcia, M. Aldana Silverio, y A.Benjumea AcostaEstudio morfo-histoquimico de la ovogenesis del Paracentrotus lividus Lamarck (1816) . . .548

Saint-Paul U.The status of aquaculture in Latin America 549

Suzdaltsev A.The perspective and problems of the Aquaculture of the Southern Baltic Sea 550

Wang Q., P.S. Leung*, and Y.C ShangAquaculture development in China: a decomposition analysis 551

FISHERIES AND AQUACULTURE INTERACTIONS

Plenary paper

Leber K.Role of aquaculture in marine stock enhancement: development strategies and potentialimpacts 554

XXXIV

Parallel session 7 - Fisheries and aquaculture interactions I

Blankenship H.L.Recent advances in tagging technology and a look into the future 555

Tsukamoto K.Marine fisheries enhancement in Japan and the quality of fish for release 556

Svasand T.Cod enhancement experiments in Norway - status and perspectives 557

Parallel session 7 - Fisheries and aquaculture interactions II

Kent D.B., R.F. Ford, and M.A. DrawbridgeEvaluation of a regional marine fish enhancement program utilizing a central hatcheryand satellite pen-rearing stations 558

Sterritt D.A., K.M. Leber, and R.T. NishimotoThe contribution of cultured juvenile striped mullet Mugil cephalus to the recreationalmullet fishery in Hilo, Hawaii 559

Smith T.I.J. and WE. JenkinsCulture and stocking of red drum (Scianops ocellalus) to enhance marine fisheries 560

Bartley D.M. and D.B. Kent*Genetic concerns of large scale hatchery enhancement of natural populations of whitesea bass 561

Porter C.B., P. Krost, M. Shpigel, and H. GordinGrey mullet (Mugil cephalus) as a forager of organically enriched sediments beneathmarine fish cages 562

Borghetti J.R., D. Perez Chena, S.V.G. Nogueira, and W.F. MunizSpawning channel at the Itaipu hydroelectric power station 563

Fisheries and aquaculture interactions - Posters

Aardal L. and E. FarestveitA new release system for coastal ranching of salmon 564

Crosetti D., J.C. Avise, D. Bartley, D.E. Campton, M. Corti, A.R. Rossi, and L. SolaGeographic variability in the grey mullet Mugil cephalus: a multidisciplinary approach . . . . 565

Drawbridge M.A. , D.B. Kent, R.F. Ford, and M.A. ShaneAn evaluation of a mark and recapture program for hatchery-reared white sea bass(Atractoscion nobilis) released into the wild 566

Iglesias J. and G. Rodriguez-OjeaFitness of hatchery-reared turbot (Scophthalmus maximus) for survival in the sea: firstyear results on feeding, growth and distribution 567

Khan M.S.Fisheries enhancement through fish conservation in Malaysia - present status andconstraints 568

Martino R.C., R. Ideguchi, O. da Silva, L. Triani, A.O.A. da Silva, A.G. da Cruz Filho,G.M. da Cruz, and G.S. BarradasA project for estuary fish cage culture with fishermen comunities in Sepetiba Bay, Riode Janeiro, Brazil 569

Moberley S., F. Haw, H.L. Blankenship, R.M. Buckley, and P.K. BergmanDevelopment and use of small implants for monitoring stock enhancement programs 570

Mollard-Chaumette S., J. Sevrin-Reyssac, J. de la Noiie, C. Mariojouls, J. Marcel and S.SylvestreApplication of intensive lagooning to the treatment of swine manure 571

XXXV

Paton D. and E. RoselloEvolution, ccomorphology and possible relations of the phylogeny with the feedingstrategics of Iberian mullets 572

Peleteiro J.B.M. Olmedo, R.M. Cal, y C. GomezCrecimienlo de juveniles salvajes de besugo (Pagellus bogaraveo B.) en condicionesde cultivo 573

ShresthaT.K.Status of aquaculture in the Himalayan waters of Nepal 574

ShresthaT.K.River ranching Mahseer in headwaters of Nepal Himalaya 575

VALUE ADDING OF AQUACULTURE PRODUCTS - PROCESSINGTRANSPORTATION AND COMMERCIALIZATION

Plenary paper

Rackham D.R.Adding value to aquaculture products 578

Value adding of aquaculture products

Paquotte P.Quality in aquaculture: a major issue in international competition 579

Clark K.D.An eco-economic computer model for decision-making in polyculture systems 580

CERTIFICATION AND INSURANCE OF AQUACULTURE PRODUCTIONSYSTEMS

Round table

Jackman S. and J. Ace-HopkinsSecurity for offshore fish cages and predator detection 582

Scott D.C.B., J.F.M. Muir, and D.A. RobertsonA comparison of the financial feasibility of two "offshore" cage systems for theproduction of sea bream (Sparus aurata) in the Mediterranean 583

POND SEDIMENT MANAGEMENT

Round table

Boyd CE. and S. PippopinyoFactors affecting respiration in dry pond bottom soils 586

Brune D.E. and A.G. EversolePond nutrient dynamics in crawfish culture ponds 587

Chiayvareesajja S. and CE. BoydEffects of zeolite, formalin, bacterial augmentation, and aeration on total ammonianitrogen concentrations 588

Chien Y.-H. and T.-Z. WeiThe effects of photosynthetic bacteria Rhodopseudomonas capsulatus on water andsediment chemistry under various temperature, salinity, and light intensity regime 589

KochbaM. and Y. Avnimelech*Modeling of nitrogen transformation in intensive aerated fish pond 590

XXXVI

Pond sediment management - Posters

Arredondo-Figueroa J.L.Water quality in an experimental polyculture manured ponds in Mexico 591

Fang X., X. Guo, T. Yu, J. Xie, and W. ZhangBacterial dynamics study of N-cycle in fish pond: bacteria involved in N-cycle in pondsediment and sediment activity 592

Feuillet-Girard M., J.C. Fardeau, D. Gouleau, and J. HussenotBioavailable phospate in marine pond sediment: fixing capacity 593

Gouleau D. and M. Feuillet-GirardAn indicc to assess the rewetting capacity of the sediment during drying in oyster ponds . . . 594

Hussenot J. and J.L. MartinA field technique based on soluble ammonium analysis in pond sediment to assessbenthic environmental conditions in marine shrimp culture 595

Ormaza-Gonzalez F.I. and P. J. StathamMonitoring water quality with reverse flow injection analysis techniques: thedetermination of nitrate and nitrite 596

STANDARDIZATION OF DIAGNOSTIC METHODS & HEALTHCERTIFICATION

Round table

Giorgetti G.Standardization of diagnostic methods and health certification 598

Toranzo A.E.Present status of the most threatening bacterial and viral diseases in continental andmarine aquaculture in Spain 599

Barja J.L.Standardization of diagnostic methods and health certification, a perspective from Spain . . . 600

Ljungberg O.Aspects on standardization of diagnostic methods and fish health certification 601

Wakabayashi H.Standardization of diagnostic methods and health certification in Japan 602

Bell T.A.Aquaculture drugs and the United States food and drug administration: present status ofapproved drugs, the drug approval process, compliance stance and monitoring programs . . 603

TURBOT CULTURE: PROBLEMS AND PROSPECTS

Turbot: Hatchery production techniques and problems

Leclercq D.Turbot broodstock management: the key point to mid-term progress of the turbotindustry 606

Minkoff G. and A.P. BroadhurstIntensive production of turbot fry 607

Dhert P., P. Lavens*, M. Dehasque, and P. SorgeloosImprovements in the larviculture of turbot Scophthalmus maximus: zootechnical andnutritional aspects, possibility for disease control 608

Bent U.Methods for production of turbot fry based on copepods as food organisms 609

Planas M.R & D on production systems 610

XXXVII

Turbot: Grow-out production and problems

Devesa S.Estrategias de la alimentation 611

Lygren EivindCulture in recirculation systems 612

Yang W.T.The cage culture of flounder (Paralichtys olivaceus) 613

Toranzo A.E., J.L. Barja, and S. DevesaAn overview of the main infectious problems in cultured turbot: present status andfuture necessities 614

Iglesias J.Research activities on turbot industrial procedures in Spain ..615

NijhofM.Research on the nutrition and growth in the culture of post larval turbot (Scophthalmusmaximus) 616

Amais R.Diversification in the turbot industry 617

Turbot, a new aquaculture product: commercial strategies

BassN.The lessons of salmoniculture : tips for turbot farmers 618

Alvial A.Situation and potential of turbot farming in Chile 619