A survey of ketosis in Lancashire and the West Riding of Yorkshire.
D000138:Acidosis / Q000453:epidemiology / Q000517:prevention & control / Q000662:veterinary*; D000821:Animal Feed; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D003612:Dairying; D004739:England; D005082:Physical Exertion; D012621:Seasons