By Gregg Hanzlicek, DVM, Veterinary Diagnostic Lab
In a 2017 USDA NAHMS survey, cow-calf producers were asked about their knowledge of Johne’s disease. Over 70% reported “never hearing of it” or “recognized the name, but not much else”. Veterinarians have been discussing Johne’s disease with dairy producers for many years. This is not true concerning cow-calf producers.
Johne’s disease (pronounced Yo-knees) was first discovered in the U.S. in 1908. It is caused by a bacterium Mycobacterium avium subspecies paratuberculosis, known as MAP. In cattle and small ruminants, this organism causes chronic, non-treatable bowel disease. Continue reading “Johne’s Disease: No Longer Just a Dairy Disease!”
