OTTAWA - The Canadian Food Inspection Agency is encouraging veterinarians to keep an eye out for signs of avian influenza in dairy cattle following recent discoveries of cases of the disease in U.S. cow herds.
Avian influenza has not been discovered in dairy cattle or other livestock in Canada. But since March, U.S. officials have confirmed cases of the illness in dairy cow herds in nine states.
Officials suspect that wild birds may have spread the virus to the cattle, though it appears cattle experience a milder form of the illness than birds.
No cows have died from the virus, and affected cattle typically recover with a couple of weeks.
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