A clostridial vaccine is a vaccine for sheep and cattle that protects against diseases caused by toxins produced by an infection with one or more Clostridium bacteria.
[1] Clostridial vaccines are often administered to pregnant ewes a few weeks before they are due to give birth, in order to give passive immunity to their lambs.
[1] Clostridial bacteria multiply rapidly in infected sheep, and produce large amounts of toxin which can cause the sheep to die within hours.
[2] Clostridial vaccines can contain anti-toxins to one or more endotoxins produced by the following bacteria:[1] Clostridial vaccines which protect sheep against multiple clostridial diseases have been available since the 1950s.
[3] This veterinary medicine–related article is a stub.