In vitro progesterone production of corpus luteum cells of cows fed low and high levels of beta-carotene.
D000818:Animals; D002338:Carotenoids / Q000008:administration & dosage* / Q000097:blood / Q000378:metabolism; D002417:Cattle / Q000378:metabolism*; D006063:Chorionic Gonadotropin / Q000494:pharmacology; D003338:Corpus Luteum / Q000378:metabolism*; D005260:Female; D005527:Food, Fortified; D066298:In Vitro Techniques; D011374:Progesterone / Q000096:biosynthesis*; D019207:beta Carotene
D006063:Chorionic Gonadotropin; D019207:beta Carotene; D002338:Carotenoids; D011374:Progesterone