Corynebacterium pseudotuberculosis (C. pseudotuberculosis) is a causative organism of caseous lymphadenitis (CLA) in sheep and acute disease in buffaloes known as oedematous skin disease (OSD).C. pseudotuberculosis isolates obtained from buffaloes tend to carry more than one virulent gene.The protective efficacy of four formulated vaccines against Corynebacterium pseudotuberculosis bio type 1 was tested on male sheep ( Local sheep bread Balady) from...