title: Defra proposes changes to BSE testing regime.
mesh_terms: D000818:Animals; D002417:Cattle; D016643:Encephalopathy, Bovine Spongiform / Q000175:diagnosis* / Q000517:prevention & control / Q000635:transmission; D005506:Food Contamination / Q000517:prevention & control; D007886:Legislation, Veterinary; D008403:Mass Screening / Q000662:veterinary*