An 11-year-old cow in Alabama tested positive for bovine spongiform encephalopathy (BSE), commonly known as mad cow disease, the U.S. Department of Agriculture said on Tuesday. The cow tested positive for the atypical L-type of BSE after exhibiting clinical signs at an Alabama livestock market, the USDA said in a press release. Atypical BSE can arise spontaneously in cattle herds, usually in animals 8 years old or older
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Agriculture.com