Clinical outcome depends on the susceptibility of the pig and the virulence of the strain of Erysipelas. Pigs are susceptible after maternal antibody has waned (after 3 months) and before protective immunity is acquired (3 years). | Clinical outcome depends on the susceptibility of the pig and the virulence of the strain of Erysipelas. Pigs are susceptible after maternal antibody has waned (after 3 months) and before protective immunity is acquired (3 years). |