Use as an aid in preventing enterotoxemia and enteritis caused by Cl. perfringens types B, C and D. Helps prevent disease caused by various types of Clostridium bacteria, which continue to be of major economic importance in cattle. Clostridial agents are universally present in soil and the intestinal tract of cattle. They produce potent toxins that can result in death of otherwise healthy animals, often with great speed.Although Cl. perfringens type B is not a significant problem in North America, immunity is provided by the beta toxoid of type C and the epsilon toxoid of type D.Produced free of serum to minimize the possibility of postvaccination reactions.ULTRABAC vaccines are highly syringeable and mix easily even in cold weather.