Bovine Johne's Disease Zoning - Explains the use of zoning as part of the overall programme for the control of Johne¿s disease in cattle in Australia.
International Association for Paratuberculosis - Devoted to the advancement of scientific progress on Mycobacterium avium subspecies paratuberculosis (MAP), related mycobacteria, and related diseases.
Johne's Disease in Sheep - Article from the Ontario Ministry of Agriculture, Food and Rural Affairs.