Vitamin B12 activity for chicks and different micro-organisms of gut contents and faeces.
D000818:Animals; D002645:Chickens; D005243:Feces; D006397:Hematinics; D014805:Vitamin B 12 / Q000378:metabolism*
D006397:Hematinics; D014805:Vitamin B 12
VITAMIN B 12/metabolism