An analysis of some factors affecting performance in a large pig herd: annual production of pigs per sow.
D000375:Aging; D000818:Animals; D001724:Birth Weight; D001947:Breeding; D005260:Female; D005313:Fetal Death / Q000662:veterinary; D008297:Male; D011247:Pregnancy; D011270:Pregnancy, Animal; D012621:Seasons; D013045:Species Specificity; D013223:Statistics as Topic; D013552:Swine