WASHINGTON — While no case of mad cow infection has ever been found in the United States, the Agriculture Department and Food and Drug Administration are looking at new ways to prevent the disease.

Health officials confirm the country's fourth-ever case of an infected cow. April 24, 2012— -- The Department of Agriculture today confirmed a case of mad cow disease found in a dairy cow in ...

The Agriculture Department, under fire for the way it has handled the discovery of mad cow disease in a Washington state cow, said yesterday that it will greatly expand the number of cattle it will ...

It has been almost 20 years since Sergio Madrigal and his wife, Rosa, had nearly 450 calves outside of Sunnyside. They all had to be killed. The U.S. Department of Agriculture took them away for ...

The United States has temporarily banned imports of cattle products from Canada after Canadian officials announced the first case of mad cow disease since 1993. Canada’s cattle industry is all but ...

For more than three years, consumer groups, members of Congress and scientists have warned of the inadequacy or insufficiency of government efforts to prevent the spread of mad cow disease into the ...

A cow in the southern state of Alabama has tested positive for mad cow disease. It is the third case ever found in the United States. Officials with the state of Alabama say random testing has ...

MABTON, Wash. - A walking tour of Bill Wavrin's dairy takes few steps. His house and office sit on a hill above the milking parlor, birthing pen and calf sheds. Beyond, his cows sprawl in groups of 15 ...

TOKYO, Japan -- Japanese officials say they have found the country's first known case of mad cow disease. Japan's agriculture ministry said on Monday a cow has tested positive for mad cow disease in ...

TORONTO - Canada today confirmed mad cow disease in an animal on a farm in Alberta. It's Canada's eighth case of a disease that has agitated its livestock industry. Canada's Food Inspection Agency ...

One downed cow in the state of Washington couldn't have come at a worse time for Montana and for American beef producers. The popularity of high-protein diets and a partial ban on Canadian beef as a ...

Finding so-called prions in skin samples may lead to early diagnosis of Creutzfeldt-Jakob disease. But the discovery also hints at possible risks from surgery. By Denise Grady Ireland has met American ...