By using Bar-Vac, producers can help eliminate the chance of tissue damage, common with intramuscular injections, and rest easy knowing that they're controlling clostridial disease with this proven formulation. This vaccine will immunize healthy cattle against diseases caused by 7 types of Clostridial organisms and Haemophilus somnus. Delivered in 5 ml subcutaneous, repeated in 21-28 day cycle and annually. Bottle contains enough vaccine for 50 Cattle doses or 100 Sheep doses.