Management problems of large dairies.
D000034:Abortion, Veterinary / Q000209:etiology; D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D000831:Animals, Newborn; D002417:Cattle / Q000502:physiology; D002418:Cattle Diseases / Q000209:etiology / Q000517:prevention & control; D003612:Dairying; D004972:Estrus Detection; D005260:Female; D007315:Insemination, Artificial / Q000662:veterinary; D008297:Male; D008414:Mastitis, Bovine / Q000517:prevention & control; D011247:Pregnancy; D011644:Puerperal Disorders / Q000517:prevention & control / Q000662:veterinary; D012098:Reproduction; D014730:Veterinary Medicine