The United States has reported its first case of bovine spongiform encephalopathy (BSE) or mad cow disease. The animal, a Holstein cow was diagnosed as having mad cow disease on December 23.
According to the U.S. Department of Agriculture, the cow on a dairy farm in Washington state became paralyzed following the birth of a calf, its third. One calf died at birth, the second, a bull, is now on a nearby farm in Washington, and the third is on the farm where the cow was part of a dairy herd. Both farms have been quarantined.