Bovine spongiform encephalopathy-positive beef cow discovered in FloridaAugust 30, 2018The U.S. Department of Agriculture (USDA) has reported an atypical case of bovine spongiform encephalopathy (BSE), or "mad cow disease," a neurologic disease of cattle, in a six-year-old mixed-breed beef cow in Florida. This animal never entered slaughter channels and at no time presented a risk to the food supply or to human health in the U.S., stressed the USDA. According to the USDA Animal and Plant Health Inspection Service's (APHIS) National Veterinary Services Laboratories (NVSL), the cow was confirmed positive for atypical H-type BSE. The animal was initially tested at the Colorado State University Veterinary Diagnostic Laboratory (a National Animal Health Laboratory Network laboratory) as part of routine surveillance of cattle that are deemed unsuitable for slaughter. APHIS and Florida veterinary officials are gathering more information on the case. Two forms of bovine spongiform encephalopathy BSE is not contagious and exists in classical and atypical types, according to the USDA. Classical BSE is the form that occurred primarily in the U.K., beginning in the late 1980s, and it has been linked to variant Creutzfeldt-Jakob disease in humans, the organization stated. The primary source of infection for classical BSE is feed contaminated with the infectious prion agent, such as …
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