Mad cow disease in Britain in the 1980s and 1990s has been blamed for the deaths of 150 people. But there has never been a documented case of the human illness from the eating of contaminated beef ...

MEXICO CITY - The scare over mad cow diseases in the United States and Canada may have cost producers in those countries much of their Mexican market permanently, Agriculture Secretary Javier ...

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Last year's mad-cow scare slammed the American cattle industry, which sends 10 percent of its production overseas. China, Hong Kong, Singapore, Thailand and Malaysia still bar U.S. beef.

Humans can also develop a variation of the illness. Still, in Maine, bison ranchers reported a 30 percent sales spike since the mad cow discovery, Carter said.

WASHINGTON -- Iowa's beef exports will not suffer any immediate economic consequences despite recent confirmation by the Department of Agriculture that the United States has its second case of mad ...

WASHINGTON (AP) -- Animals from a second quarantined herd with ties to the Washington state cow with mad cow disease will be killed, U.S. agricultural officials said Friday.

TOKYO (AP) -- Japan questioned the effectiveness of U.S. safeguards against mad cow disease Monday, suggesting Tokyo would hold out for stricter U.S. screening of livestock before lifting its ban ...