Blood vitamin B12 status of the dairy cow in late pregnancy and early lactation.
D000818:Animals; D001769:Blood; D002417:Cattle; D005260:Female; D007774:Lactation / Q000187:drug effects*; D011247:Pregnancy; D011270:Pregnancy, Animal; D014805:Vitamin B 12 / Q000494:pharmacology*
D014805:Vitamin B 12