11/11/2025
Based on initial an initial survey of Minnesota-based MSHMP participants, 96 of 107 sow farms, representing 62% of the Minnesota breeding herd inventory, report a current negative Mhp status. Of the eleven reporting a positive status. three of these farms are under closure to eliminate Mhp.
The rate of lateral Mycoplasma hyopneumoniae transmission among growing pig populations also suggests a very low incidence.