[Plasma beta-carotene levels in dairy cows at various stages of lactation and reproduction cycle].
D000818:Animals; D002338:Carotenoids / Q000031:analogs & derivatives* / Q000097:blood*; D002417:Cattle / Q000097:blood*; D004971:Estrus; D005260:Female; D007774:Lactation; D049590:Postpartum Period; D011247:Pregnancy; D011270:Pregnancy, Animal; D012098:Reproduction; D012621:Seasons
D002338:Carotenoids
Beta-karotén krevní plazmy dojnic v různých fázích laktace a reprodukcního cyklu.