The postpartum interval and its relation to fertility in the cow, sow and ewe.
D000818:Animals; D002417:Cattle; D005260:Female; D005298:Fertility; D049590:Postpartum Period / Q000502:physiology*; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000502:physiology*; D012756:Sheep; D013552:Swine