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Gov't: New Case Of Mad Cow Disease In California

Tue, 04/24/2012 - 4:02pm
Lauren Neergaard and Sam Hananel, Associated Press

WASHINGTON (AP) — A new case of mad cow disease has surfaced in a dairy cow in California, but the animal was not bound for the nation's food supply and posed no danger, the Agriculture Department said Tuesday.

John Clifford, the department's chief veterinary officer, said the cow from central California did not enter the human food chain and that U.S. meat and dairy supplies are safe. It's the fourth such cow discovered in the United States since the government began inspecting for the disease to keep the food supply safe.

"There is really no cause for alarm here with regard to this animal," Clifford told reporters at a hastily convened press conference.

Clifford did not say when the disease was discovered or exactly where the cow was raised. He said the cow was at a rendering plant in Central California when the case was discovered through regular USDA sample testing.

Mad cow disease, or bovine spongiform encephalopathy (BSE), can be fatal to humans who eat tainted beef. The World Health Organization has said that tests show that humans cannot be infected by drinking milk from BSE-infected animals.

The disease is always fatal in cattle, however. There have been three confirmed cases of BSE in the United states, in a Canadian-born cow in 2003 in Washington state, in 2005 in Texas and in 2006 in Alabama.

The Agriculture Department is sharing its lab results with international animal health officials in Canada and England, Clifford said. He said the California cow is an atypical case in that it didn't get the disease from eating infected cattle feed.

In people, eating meat contaminated with BSE is linked to variant Creutzfeldt-Jakob Disease, a rare and deadly nerve disease. A massive outbreak of mad cow disease in the United Kingdom that peaked in 1993 was blamed for the deaths of 180,000 cattle and more than 150 people.

There have been a handful of cases of variant Creutzfeldt-Jakob Disease confirmed in people living in the United States, but those were linked to meat products in the United Kingdom and Saudi Arabia, according to the Centers for Disease Control and Prevention.

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