Natural infection with M. bovis has been described in many different species of wild and domestic animals across the world.18 The host range of this bacteria is much broader than that of M. tuberculosis and the complex epidemiology of this pathogen has complicated its eradication.19 To some degree, all terrestrial mammals are susceptible to infection and infection rate depends on exposure, innate resistance, immunological pathways, type of husbandry and ecology, and characteristic pathology of the disease.20