Where did it come from? US beef imports banned.
DNA comfirms the origin of BSE in the US,to a dairy farm in Canada.
US officials are urgently trying to find out how a dairy cow in the north-western state of Washington may have contracted "mad cow" disease.
The US dollar and Japan's stock markets dropped as countries around the world banned US beef imports in response. Subject to further tests,the DNA
testing of the BSE infected cow in the US originated from a dairy farm in Canada.
[Edited on 6-1-2004 by The Real Deal]