For the vaccination of healthy cattle and sheep against diseases caused by Clostridium chauvoei, Cl. septicum, Cl. novyi type B, Cl. haemolyticum, Cl. perfringens types C and D. 21-day slaughter withdrawal. 50 mL or 250 mL size available--please select. 50 mL: Cattle-10 doses. Sheep-10 primary doses/25 booster doses. 250 mL: Cattle-50 doses. Sheep-50 primary doses/125 booster doses. Note: This item is a refrigerated pharmaceutical. Please see our Shipping page for important information.