Placental and mammary transfer of vitamin A and carotene by beef cows.
D000818:Animals; D001940:Breast; D002338:Carotenoids / Q000378:metabolism*; D002417:Cattle; D005260:Female; D050356:Lipid Metabolism; D008099:Liver / Q000378:metabolism*; D008322:Mammals; D008892:Milk; D014801:Vitamin A / Q000378:metabolism*
D014801:Vitamin A; D002338:Carotenoids
CAROTENE/metabolism; LIVER/metabolism; MILK; VITAMIN A/metabolism