The incidence of stillbirth in cases of dystocia in sows.
D000818:Animals; D004420:Dystocia / Q000150:complications / Q000662:veterinary*; D005260:Female; D005313:Fetal Death / Q000453:epidemiology / Q000209:etiology / Q000662:veterinary*; D008098:Litter Size; D010298:Parity; D011247:Pregnancy; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology* / Q000209:etiology