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Contagious Equine Metritis (CEM) Outbreak in the United States

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Contagious Equine Metritis (CEM), a bacterium Taylorella equigenitalis, is considered a foreign animal disease that occurs in breeding populations in various countries in the world. This highly contagious disease can be transmitted during breeding or artificial insemination, and can cause temporary infertility in horses. As of January 5, 2009, seven Quarter Horse and Paint Horse stallions located in Kentucky and Indiana have been identified with CEM.

Please contact your veterinarian or the regional state veterinarian if you have concerns that your mare may have been exposed to this contagious disease. Mares can be tested for Contagious Equine Metritis and treated if necessary.

Pennsylvania Regional State Veterinarians:

Pennsylvania Counties
Regional Contact Information
Clarion, Crawford, Elk, Erie, Forest, Jefferson,
McKean, Mercer, Venango and Warren
Dr. Karen Martin
814-332-6890
Cameron, Clinton, Columbia, Lycoming, Northumberland,
Montour, Potter, Snyder, Tioga and Union
Dr. Amy Nesselrodt
570-433-2640
Bradford, Carbon, Lackawanna, Luzerne, Monroe,
Pike, Sullivan, Susquehanna, Wayne and Wyoming
Dr. Pat McQuiston
570-836-2181
Allegheny, Armstrong, Beaver, Butler, Fayette,
Greene, Indiana, Lawrence, Washington and Westmoreland
Dr. Michael Tulley
724-443-1585
Bedford, Blair, Cambria, Centre, Clearfield,
Fulton, Huntingdon, Juniata, Mifflin and Somerset
Dr. Elizabeth Santin
814-946-7315
Adams, Cumberland, Dauphin, Franklin,
Lebanon, Lancaster, Perry and York
Dr. John Roberts
717-346-3223
Berks, Bucks, Chester, Delaware, Lehigh, Montgomery,
Northampton, Philadelphia and Schuylkill
Dr. Aliza Simeone
610-489-1003

For more information on this topic:

University of Kentucky working with state to resolve CEM cases

USDA - Contagious Equine Metritis Hot Topics

TEXAS testing 15 horses linked to CEM, theHorse.com

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