title: Testing for BVD virus becomes compulsory in Northern Ireland.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D001912:Bovine Virus Diarrhea-Mucosal Disease / Q000517:prevention & control*; D002417:Cattle; D060740:Disease Eradication; D006801:Humans; D007886:Legislation, Veterinary; D008403:Mass Screening / Q000331:legislation & jurisprudence / Q000662:veterinary*; D009660:Northern Ireland