The Johne's Testing Center , based at the University of Wisconsin's School of Veterinary Medicine, is a research laboratory available to help you diagnose and control M. paratuberculosis infection. These assays test for antibody in serum produced by the animal in response to infection with M. paratuberculosis. Please send serum decanted into a leakproof container or a separator tube after centrifugation. These blood tests may not be used for cattle vaccinated for Johne's disease.
Overnight mail is also acceptable.
Within three working days of sample arrival and faxed upon request. For culture of samples other than fecals or tissue, call before shipping. Usually within 8 weeks, but possibly up to 20 weeks for sheep or bison. This fee covers sample handling, paperwork, provision of results, data management, etc. This fee covers sample handling, paperwork, provision of results, data management, etc.