Iron Liver B12 Injectable 100cc Vial. Used as a general conditioning agent in overcoming malnutrition problems. Also used as an agent in preventing Anemia due to Malnutrition and parasites. Dosage and Administration: Usual dosage is 1/2cc to 1cc depending on each fowl's overall condition with a follow-up dosage of 1/4 to 1/2cc injected in breast muscle once a week after initial dosage until improvement or up until day of competition.