Johne's disease (paratuberculosis) is a chronic debilitating disease that affects the intestines of all ruminant animals, including cattle, sheep and goats. This disease is caused by Mycobacterium Avium Subspecies Paratuberculosis (MAP); Infection with MAP is usually acquired by consuming feed and water contaminated with manure from infected animals.

Johne’s disease is a provincially notifiable disease for cattle and yaks, sheep and goats, domestic cervids and farmed bison.

Johne's Disease fact sheet

  • Fact sheet about Johne’s diseases, its cause, signs of infection, disease control and the Alberta Johne’s Disease Initiative.