There are nine stallions that have tested positive for Contagious Equine Metritis (CEM). Used for breeding purposes, these stallions are suspect for possibly exposing mares to CEM. Following are the names of the known stallions that have tested positive for CEM:

 
•       Gentlemen Send Roses, a Paint  Horse from Indiana
•       Hot Lopin Sensation, a Quarter Horse from Kentucky
•       Indian Artifacts, a Quarter Horse from Kentucky
•       Invited Back, a Paint Horse from Indiana
•       Nanning 374, a Friesian from Wisconsin
•       Potential Asset, a Quarter Horse from Texas
•       Potential Investment, a Quarter Horse from Kentucky
•       Repeated in Red, a Quarter Horse from Kentucky
•       Zips Heaven Sent, a Paint Horse from Indiana

Contagious Equine Metritis can be spread when horses are bred, or congenitally from mares to their foals.  While natural breeding is more likely to spread the infection, horses involved in artificial breeding can also be exposed to CEM. Infected stallions seldom, if ever, show outward signs of infection, but may act as carriers of the disease.  

CEM may render mares infertile or may cause horses to spontaneously abort, however the disease can be treated with antibiotics and disinfectants. There is no evidence that CEM affects people.

For more information and regular updates on Contagious Equine Metritis, visit the USDA Web site.