title: Clinical and endocrinological studies in primiparous post partum sows. Effects of lactation length and litter size.
mesh_terms: D000818:Animals; D004958:Estradiol / Q000097:blood; D004971:Estrus; D005260:Female; D012739:Gonadal Steroid Hormones / Q000097:blood*; D007774:Lactation; D008098:Litter Size; D007986:Luteinizing Hormone / Q000097:blood*; D010298:Parity; D011247:Pregnancy; D011374:Progesterone / Q000097:blood; D013552:Swine / Q000097:blood / Q000502:physiology*; D014886:Weaning
chemical_list: D012739:Gonadal Steroid Hormones; D011374:Progesterone; D004958:Estradiol; D007986:Luteinizing Hormone