Summer mastitis surveys in England and Wales: 1978-1983.
D000818:Animals; D002417:Cattle; D004739:England; D005260:Female; D008414:Mastitis, Bovine / Q000453:epidemiology*; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology / Q000662:veterinary*; D012621:Seasons; D014852:Wales