[Annual variation of vitamin A and carotene in milkers and its relation to feeding].
D000818:Animals; D001940:Breast; D002338:Carotenoids / Q000378:metabolism*; D003611:Dairy Products; D050356:Lipid Metabolism; D008892:Milk; D010507:Periodicity; D014801:Vitamin A / Q000378:metabolism*
D014801:Vitamin A; D002338:Carotenoids
CAROTENE/metabolism; MILK; PERIODICITY; VITAMIN A/metabolism
Rezim vitamínu A a karoténu u dojníc v priebehu roku a vo vztahu k úrovni výzivy.