WASHINGTON The government has killed and is testing 29 cows from the herd of the Texas cow infected with mad cow disease, the Agriculture Department said Friday. Investigators have been working to ...

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 ...

Leading into late 2003, beef export markets were on a roll, said Dan Halstrom, who was then working in Washington, D.C., for ...

The United States is pressing the 50 countries that banned American beef imports because of mad cow disease to lift the restriction. The Agriculture Department plans to increase ten fold the number of ...

Despite the panic that sent shockwaves through meat markets as far away as South Korea, the latest finding of mad cow disease announced Tuesday does not appear to pose a risk to the public. It is, ...

A new cow virus that causes neurologic symptoms reminiscent of mad cow disease has been identified and its genome sequenced by a team of researchers including scientists at the University of ...

U.S. agriculture officials move to tighten slaughterhouse and cattle-feed regulations in the wake of a single case of mad cow disease on American soil. On Friday, the USDA ordered 129 cows destroyed, ...

There is a "high probability" that more American cattle are infected with mad cow disease than the one found in Washington state late last year, an international panel of experts convened by the ...

Now basic research on prions, the infectious proteinaceous particles that cause mad cow disease and other cases of transmissible spongiform encephalopathy (TSEs), has caught up with the disease. The ...