Productivity in sows (limiting factors).
D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D001947:Breeding; D005260:Female; D007239:Infections / Q000662:veterinary; D009181:Mycoses / Q000662:veterinary; D012098:Reproduction; D013552:Swine; D014777:Virus Diseases / Q000662:veterinary