Swine erysipelas is a highly febrile and acute infectious disease (Wang et al., 2010). The causative agent, Erysipelothrix rhusiopathiae (E. rhusiopathiae), is a gram-positive, non-sporeforming, slender, and straight or slightly rod-shaped facultative anaerobic bacterium (Koch, 1880). It primarily causes erysipelas in swine but is also implicated in a wide spectrum of diseases