The spread of bovine viral diarrhoea on the East Coast.
D000818:Animals; D001912:Bovine Virus Diarrhea-Mucosal Disease / Q000453:epidemiology*; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D004196:Disease Outbreaks / Q000453:epidemiology / Q000662:veterinary*; D005260:Female; D008297:Male; D009520:New Zealand