Effect of injecting and feeding vitamin B12 to hens on content of the vitamin in the egg and blood.
D000818:Animals; D001769:Blood; D002645:Chickens; D004531:Eggs; D005260:Female; D006801:Humans; D008460:Meat; D011200:Poultry; D014805:Vitamin B 12 / Q000494:pharmacology*; D014815:Vitamins
D014815:Vitamins; D014805:Vitamin B 12
BLOOD; EGGS; FOWLS, DOMESTIC; VITAMIN B12/effects