News last update:6 Aug 2012

BSE contracted from feed supply

A dairy cow that was recently diagnosed in Canada with mad cow disease probably contracted the disease from contaminated feed, federal regulators said.

The finding by the Canadian Food Inspection Agency came after an enforcement investigation was launched because the 50-month-old animal from an Edmonton-area farm was exposed to bovine spongiform encephalopathy after a 1997 feed ban was imposed.

The agency tracked roughly 170 cows that originated at the same farm as the infected dairy cow. An expanded investigation located 38 live animals on the farm and in other herds to which they had been sold. Most of those animals have been destroyed and their carcasses burned. Eight animals were determined to be untraceable because of inadequate records. The infected dairy cow did not die of BSE and no part of its carcass entered the human or animal food chain.



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