title: Hormonal changes around oestrus in the cow.
mesh_terms: D000818:Animals; D002417:Cattle / Q000502:physiology*; D004958:Estradiol / Q000097:blood; D004971:Estrus; D005260:Female; D007986:Luteinizing Hormone / Q000097:blood; D011247:Pregnancy; D011374:Progesterone / Q000097:blood; D011453:Prostaglandins / Q000097:blood
chemical_list: D011453:Prostaglandins; D011374:Progesterone; D004958:Estradiol; D007986:Luteinizing Hormone