Mad cow disease has been found in a dairy cow in British Columbia, Canadian authorities say.
The discovery, however, "does not affect the safety of Canadian beef," the Canadian Food Inspection Agency said.
Canada's cattle industry has lost hundreds of millions of dollars since the first case of mad cow was identified in Canada three years ago. The United States, Japan and other trading partners closed their borders to Canadian beef after that and have been slow in reopening them.
The infected cow has been identified as a 6-year-old raised near Chilliwack in B.C.'s Fraser Valley. Federal officials have found the farm where it was born and are now tracing its history.
Copyright 2006 by United Press International
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