Why don't beef producers test all cattle for BSE and get on with selling cattle?

Why don’t beef producers test all cattle for BSE and get on with selling cattle?

http://www.pferdemedizin.com/cwd/bse.gif

http://www.vet.uga.edu/vpp/IVM/ENG/Modes/Images/Image76_arrows.jpg

http://custom-home.us/cows/cow02.jpghttp://asac.ucdavis.edu/undergrad/JPGs/Feeding%20Cows.jpg

http://www.bramhallhigh.stockport.sch.uk/ict/Vet/Cows.JPG

http://cofcs66.aphis.usda.gov/lpa/issues/bse/images/2(7sec).jpg

http://www.alfharvey.com/Pics/News/images/BSE%20Testing.jpg-copy.jpg

http://www.cdc.gov/ncidod/dvrd/rabies/Professional/publications/DFA_diagnosis/web_ver/Slide9.JPG

1. Science

http://upload.wikimedia.org/wikipedia/en/e/ec/Calf.jpg

http://www.bradmesser.com/cartoons2004/madCow.gif

1. Science2. Politics

http://www.bvsocialstudies.ca/assets/images/Mad_Cow.gif

www.drastic.net/ imagez/bse.jpg

1. Science2. Politics3. Logistics

http://www.spectroscopynow.com/ftp_images/BSE%20testing.jpg

http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/rsb7317?opendocument

http://www.exoduster.com/cowbraineating.jpg

http://nandotimes.nandomedia.com/ips_rich_content/932-cowbrain.jpg

http://www.pcrm.org/magazine/GM01Summer/bse.jpg

http://edition.cnn.com/2001/WORLD/europe/01/29/bse.spread/madcow.jpg

http://www.mad-cow.org/00/bse_only.gif

Why don’t beef producers test all cattle for BSE and get on with selling cattle?

http://www.pferdemedizin.com/cwd/bse.gif

http://www.vet.uga.edu/vpp/IVM/ENG/Modes/Images/Image76_arrows.jpg

http://custom-home.us/cows/cow02.jpghttp://asac.ucdavis.edu/undergrad/JPGs/Feeding%20Cows.jpg

http://www.bramhallhigh.stockport.sch.uk/ict/Vet/Cows.JPG

http://cofcs66.aphis.usda.gov/lpa/issues/bse/images/2(7sec).jpg

http://www.alfharvey.com/Pics/News/images/BSE%20Testing.jpg-copy.jpg

http://www.cdc.gov/ncidod/dvrd/rabies/Professional/publications/DFA_diagnosis/web_ver/Slide9.JPG

1. Science

http://upload.wikimedia.org/wikipedia/en/e/ec/Calf.jpg

http://www.bradmesser.com/cartoons2004/madCow.gif

1. Science2. Politics

http://www.bvsocialstudies.ca/assets/images/Mad_Cow.gif

www.drastic.net/ imagez/bse.jpg

1. Science2. Politics3. Logistics

http://www.spectroscopynow.com/ftp_images/BSE%20testing.jpg

http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/rsb7317?opendocument

http://www.exoduster.com/cowbraineating.jpg

http://nandotimes.nandomedia.com/ips_rich_content/932-cowbrain.jpg

http://www.pcrm.org/magazine/GM01Summer/bse.jpg

http://edition.cnn.com/2001/WORLD/europe/01/29/bse.spread/madcow.jpg

http://www.mad-cow.org/00/bse_only.gif