[Studies of the occurrence of erysipelas bacteria in healthy swine in the Hungarian People's Republic with reference to possible use of erysipelas live vaccines].

The number of pigs for slaughter which carried erysipelas bacteria has gone down continuously in Hungary. The incidence of erysipelas declined in parallel. That improving trend has been attributed to better conditions of large-stock keeping and to the exclusive use of inactivated vaccine. Careful consideration should be given to epizootiological aspects as well as to the environment, whenever live vaccines are to be used. Veterinarians bear growing responsibility in that particular context.