Fig. 1
From: MAP, Johne’s disease and the microbiome; current knowledge and future considerations

Nomenclature of Mycobacterium avium subsp. paratuberculosis (Adapted from [64]). There are two major groups of strains; Sheep-type, or Type S, and Cattle Type, or Type C, and an “intermediate” Type III, a sub-type of Type S. Type B is a subtype of Type C and is typically isolated from Bison