title: Certified herds scheme. British Veterinary Association.
mesh_terms: D000821:Animal Feed / Q000009:adverse effects; D000823:Animal Identification Systems / Q000592:standards*; D000818:Animals; D002417:Cattle; D016643:Encephalopathy, Bovine Spongiform / Q000453:epidemiology / Q000517:prevention & control*; D007886:Legislation, Veterinary; D008460:Meat / Q000592:standards; D012307:Risk Factors; D006113:United Kingdom / Q000453:epidemiology