For rules and regulations governing control programs, liability from sale of infected animals or other issues concerning Johne's disease, contact your state/provincial/national animal health department.

For instance, in Wisconsin, goats 18 months and older can be tested under the voluntary Wisconsin Johne's Disease Management Market Program for the herd to receive a preventive management level classification (A to D or maximum risk). website: http://datcp.state.wi.us/ah/agriculture/animals/disease/johnes/market.html; 608-224-4872