Effect of lactation duration on reproductive performance of sows.
D000821:Animal Feed; D000818:Animals; D003338:Corpus Luteum / Q000033:anatomy & histology; D004032:Diet; D004622:Embryo, Mammalian; D004971:Estrus; D005260:Female; D005306:Fertilization; D007774:Lactation; D010060:Ovulation; D049590:Postpartum Period; D011247:Pregnancy; D012098:Reproduction; D013552:Swine / Q000502:physiology*; D013997:Time Factors; D014599:Uterus / Q000033:anatomy & histology