title: A study of cloprostenol-induced oestrus and spontaneous oestrus by means of the milk progesterone assay.
mesh_terms: D000818:Animals; D002417:Cattle / Q000502:physiology*; D003008:Cloprostenol / Q000494:pharmacology*; D004971:Estrus; D004973:Estrus Synchronization; D005260:Female; D008892:Milk / Q000032:analysis*; D011247:Pregnancy; D011374:Progesterone / Q000032:analysis*; D011461:Prostaglandins F, Synthetic / Q000494:pharmacology*
chemical_list: D011461:Prostaglandins F, Synthetic; D003008:Cloprostenol; D011374:Progesterone