Additional Contagious Equine Metritis Information

The following links may be beneficial for providing more details about Contagious Equine Metritis.


  • APHIS
    Information about epidemiology, diagnosis, prevention, treatment, symptoms, and surveillance.

  • OIE
    Information about epidemiology, diagnosis, and vaccine.

  • In addition to your local veterinarian, producer associations and breed registration are also excellent sources of information.

Report CEM

CEM is a reportable animal disease. Any confirmed or suspected case should be reported to:

  • Montana State Veterinarian - 406-444-2043
  • U.S.D.A. APHIS Veterinary Services, Montana - 406-449-2220

Information in Alternative Format

Alternative accessible forms of this material will be provided upon request. For further information call 406-444-9431 or TDD 406-444-1421.