Antibiotic feed and vitamin B12 supplements for lactating dairy cows.
D000818:Animals; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D002417:Cattle; D045728:Corrinoids; D019587:Dietary Supplements; D005260:Female; D006801:Humans; D007774:Lactation; D008892:Milk; D014805:Vitamin B 12 / Q000378:metabolism*
D000900:Anti-Bacterial Agents; D045728:Corrinoids; D014805:Vitamin B 12
ANTIBIOTICS/effects; MILK; VITAMIN B 12/metabolism