http://www.aphis.usda.gov/lpa/issues/bse/bse.html
Animal and Plant Health Inspection Service, U.S. Department of Agriculture
Links to news, data and information about Bovine Spongiform Encephalopathy (BSE), a family of diseases known as the transmissible spongiform encephalopathies (TSE's), also know as mad cow disease. Topics covered include similar and related diseases, like Creutzfeldt-Jakob Disease (CJD); transmission, diagnosis and clinical signs; and activities of the federal government to prevent and control this disease.