Effect of lactation length and fasting on various reproductive phenomena of sows.
D000818:Animals; D001835:Body Weight; D004971:Estrus; D005215:Fasting; D005260:Female; D005313:Fetal Death / Q000453:epidemiology / Q000662:veterinary; D007774:Lactation; D008098:Litter Size; D011247:Pregnancy; D012098:Reproduction; D013552:Swine / Q000502:physiology*; D013997:Time Factors