Stillbirth in the pig: an analysis of the breeding records of five herds.
D000818:Animals; D001947:Breeding; D005260:Female; D005313:Fetal Death / Q000235:genetics / Q000662:veterinary*; D005865:Gestational Age; D008297:Male; D010298:Parity; D011247:Pregnancy; D011272:Pregnancy, Multiple; D011273:Pregnancy, Prolonged; D011996:Records; D012621:Seasons; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology*