Article: USDA examining possible new mad cow case.(United States Department of Agriculture)(Brief Article)

USDA is conducting more detailed testing at the National Veterinary Services Laboratories in Ames, Iowa--in consultation with experts from the international reference laboratory in Weybridge, England--on a tissue sample that could reveal another case of mad cow disease in the United States. In making the announcement, USDA chief veterinarian John Clifford said, "It is important to note that this animal poses no threat to our food supply because it did not enter the human food or animal feed chains."

The original sample was submitted to USDA by a private veterinarian who had taken it from a cow that was at least 12 years of age and experienced complications during ...

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