In any animal population there will be a small number of individuals, which fail to respond fully to vaccination. Successful vaccination depends upon correct storage and administration of the vaccine and the animal’s ability to respond. Immune competence can be influenced by genetic factors, intercurrent infection, age, nutritional status, concurrent drug therapy, stress etc.

Disposal: Dispose of waste materials by boiling, incineration or immersion in an appropriate disinfectant in accordance with national requirements.