一位養豬場獸醫師手指浮腫且出現紫斑,反覆發燒,經血液培養為革蘭氏陽性桿菌,Columbia blood agar plate(BAP)上呈現α-溶血,catalase (-),oxidase (-),具gelatinase,最可能為下列何種病原菌?
Erysipelothrix rhusiopathiae
Listeria monocytogenes
Bacillus anthracis
Corynebacterium diphtheriae