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Valacta contributes to the sustainable development andprosperity of the dairy sector through knowledge transfer, information management and analysis services
300 employees
5,200 clients
ClientSatisfaction
95%
• 215 Field (4 regions)
135 Technicians, 60 Advisors, 6 Strategic Advisors, 3 Coaches, 7 Managers
• 35 Lab0ratory• 21 IT + Customer Service• 15 Administration (incl. HR, Communication and QA)• 15 R&D
300Employees
At your service
Valacta
Forage
Lab
Milk Recording
Milk Quality
Data
Processing
Advisory Service
Economics
R&D
Nutrition
Valacta: Global Approach Model
TechnicalAdvice
Knowledge
Lab
Data
Main Activities
Technical Services for Dairy ProducersMilking Supervision, Data Entry, CQM, Labour Efficiency, Measurements, Sampling
Technical
Advisory ServicesRegular -basis, Specialized, Strategic (on demand), Milk Quality.
Advice
Knowledge Transfer and DevelopmentPractical Workshops and Courses, Communication, Science and Technology Watch, Research Projects
Knowledge
Comfort and Well-being
Organic
Data Analysis
Nutrition and Management
Herd HealthEconomy
Forage Systems
Transfer
Data Sharing among Genetic Improvement Partners
Breed Associations• Pedigree Recordkeeping
• Classification
ATQIdentification
Traceability
Valacta (Vision2000)• Laboratory Analyses
• Data Collection and
Processing
• On Farm Services
Canadian Dairy Network
(CDN)• Genetic Evaluation
• Research
• Data Exchange
AISemen Sales
• Choice of Sire
Veterinarians• Health Data
2,600installations400 advisors and technicians
Lab
For Producers• Milk Recording• Payment• Quality• Illness and Gestation• Forage/Feed• Water
For Processors and Other Laboratories
• Calibration Samples• Wet Chemistry Analysis• Microbiology
Milk Recording Payment Quality
Reference/Calibration Forage/Feed Microbiology
LABORATORIES
Laboratories• Milk Recording (2.6 million samples/year)• Fat, protein, lactose, somatic cells
• Urea (57% of samples, 78% of farms)
• BHB ( 54% of samples, 70% of farms)
• ELISA: Pregnancy testing, Johne’s Disease, Leukosis
• Payment (1.1 million samples, 15/months/farm)
• Fat, protein, lactose
• Somatic Cells
• Extraneous Water
• Urea
Healthy Cows Clinical
Cases
« Tip of the
Iceberg »
The Iceberg!
Subclinical Cases
Transition Cow IndexMD
Milk recording for dry cows!
TCI of 1,000 represents an extra $450 in the current lactation.
44% of herds use TCI
Cost of Ketosis: $354 per case
61 % of
Quebec clients use Ketolab
Milk Ketone Testing by FTIR
Advantages
• Suitable for whole herd screening
• Simple for the producer
• Low cost
• Can be performed on regular intervals
• Rapid results
Disadvantage:
With monthly testing, not all cows are tested in
the period most at risk
Blood vs Milk : Test Characteristics
Denis-Robichaud et al., 2014
Se: 84%
Sp: 96%
PPV: 84%
NPV: 96%
Tresholds
• POSITIVE ( )≥0.20 mM
• SUSPECT ( )Intermediate
• NEGATIVE ( )<0.15 mM
Milk BHB tresholds:
0
5
10
15
20
25
30
35
5 10 15 20 25 30 35
Keto
sis
Pre
vale
nc
e(%
)
DIM
Ketosis prevalence (POS + SUSP) according to parity
Multiparous
Primiparous
Average prevalence:
24.0%
MULTIPAROUS:
Average prevalence: 25.7 %
Highest prevalence: 32.8% (2nd week)
PRIMIPAROUS:
Average prevalence : 20.4 %
Highest prevalence : 33.2 % (1st week)
Valacta, 2014
a Excluding herds < 10 cows tested for BHB within the first 35 DIM; 3651 herds are included
0
20
40
60
80
100
120
140
160
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
Nu
mb
er
of
herd
s
Ketosis prevalence (%)
Herd distribution for ketosis prevalence in the first 5 weeks of lactationa
Valacta, 2014
a Excluding herds < 10 cows tested for BHB within the first 35 DIM; 3651 herds are included
0
20
40
60
80
100
120
140
160
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
Nu
mb
er
of
herd
s
Ketosis prevalence (%)
Herd distribution for ketosis prevalence in the first 5 weeks of lactationa
40 % of herds had a
prevalence of 20 % or less
Valacta, 2014
a Excluding herds < 10 cows tested for BHB within the first 35 DIM; 3651 herds are included
0
20
40
60
80
100
120
140
160
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
Nu
mb
er
of
herd
s
Ketosis prevalence (%)
Herd distribution for ketosis prevalence in the first 5 weeks of lactationa
3.5% of herds had a
prevalence above
50%
Valacta, 2014
Impacts on Test Day Milk Yield and Components.
SE P
Milk yield (kg/d) 30.1a 32.3b 32.5b 0.2 0.001
Fat (%) 5.07c 4.62b 4.10a 0.02 0.001
Protein(%) 3.19b 3.17a 3.25c 0.01 0.001
SCC (1000 cells) 360c 318b 232a 23 0.001
Urea (mg N/dL) 9.2a 10.0b 10.5c 0.1 0.001
Protein:Fat ratio 0.65a 0.71b 0.82c 0.01 0.001
Transition Cow Index1 -68a 202b 189b 40 0.001
1 Multiparous cows onlyValacta, 2014
154,0
146,6
130,7
115
120
125
130
135
140
145
150
155
160
165
BHB pos BHB susp BHB neg
Da
ys
Days Open
a
b
b
P (catBHB) = 0.001
P (Parity*catBHB) = 0.09
Valacta, 2014
0
10
20
30
40
50
60
70
80
90
100
0 50 100 150 200 250 300
% c
ow
s p
regn
ant
DIM
Pregnancy rate according to BHB status
NEG SUSP POS
51.6%
60.3%
69.6%
Valacta, 2014
Effect on Reproduction
Impact on survival
0
20
40
60
% v
ach
es r
éfo
rmée
s
Culling by 100 JEL
POS SUSP NEG
0
10
20
30
40
50
% v
ach
es r
éfo
rmée
s
Culling by lactation
POS SUSP NEG
Valacta, 2014
Association with disease
Koeck et al. 2014
Valacta’s Strategy for Ketolab
• Ketolab is used as a screening tool to
evaluate ketosis prevalence at the herd
level
– Ketolab is not an individual diagnosis
tool
– High BHB does not necessarily mean
that this specific cow is sick, but it is an
important risk factor for other problems
Ketolab in Quebec
>70% of Valacta herds have registered
for the service
>55% of the samples analysed each month
88% of farms using advisory service
57% of farms not using advisory service
5,65,86,06,26,46,66,8
5,5 6,0 6,5 7,0
Predicted ruminal pH
Chouinard et Gervais 2016
0
1
2
3
4
5
Stocking density Feeding frequency Fat yield Protein yield
HDN LDN Woolpert et al. 2016
