Microbiology General fb8e8d83 Johne's bacillus is - A Corynebacterium pseudotuberculosis B M. paratuberculosis C H. aegypticus D K. pneumoniae High-Yield Explanation Ans. is 'b' i.e., M. paratuberculosis * M. paratuberculosis is also known as Johne's bacillus.