BISON PRODUCERS OF ALBERTA . CANADIAN BISON ASSOCIATION ANNUAL CONVENTION NOV 21-24 2009 Regina Saskatchewan . Minerals Meeting Bison’s Needs. Roy Lewis DVM 1981 WCVM Partner 6 Vet mixed practice Westlock Alberta Interests Large animal reproduction and herd health
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BISON PRODUCERS OF ALBERTA
CANADIAN BISON ASSOCIATION ANNUAL CONVENTION
NOV 21-24 2009
Written numerous articles bison and cattle.
Reproductive Rates decline
Poorer Immune Response
More Prone to Disease and Parasites
Deficiencies slow to develop
Specific Mineral Deficiencies
I have personally seen Iodine def
Deficiencies slow to correct once minerals added
Initially no clinical signs
Poor growth rough hair coat
Diarrhea & wt loss (protein loss)
Part of the herd affected
Lungworms weight loss (coughing)
Lack of appetite
Very little at gross postmortem
Nutritionists Use N.R.C. reqts for cattle
Not specifically done for bison yet
Since Bison and cattle interbreed reqts will be very similar.
Based on weight reqts
Based on feed at season of year
Critical to breeding age animals
Critical to those undergoing rapid growth.