title: Is the cow a seasonal breeder?
mesh_terms: D000818:Animals; D001835:Body Weight; D001947:Breeding; D002417:Cattle / Q000502:physiology*; D005260:Female; D011247:Pregnancy; D011374:Progesterone / Q000032:analysis; D012098:Reproduction; D012621:Seasons
chemical_list: D011374:Progesterone