Studies of dietary influence on the healthstate of preparturient cows in two dairy herds.
D000818:Animals; D002417:Cattle / Q000502:physiology*; D002418:Cattle Diseases / Q000209:etiology; D004032:Diet; D005260:Female; D006304:Health Status; D007662:Ketosis / Q000209:etiology / Q000662:veterinary; D011247:Pregnancy; D011248:Pregnancy Complications / Q000662:veterinary; D011270:Pregnancy, Animal; D011644:Puerperal Disorders / Q000662:veterinary