For beef cattle producers, ULTRABAC 7/SOMUBAC helps protect healthy cattle and calves three months of age or older against black leg caused by Clostridium chauvoei; malignant edema caused by Cl. septicum; black disease caused by Cl. novyi; gas-gangrene caused by Cl. sordellii; enterotoxemia and enteritis caused by Cl. perfringens Types B, C and D; and disease caused by Histophilus somni (previously Haemophilus somnus).