Contagious Equine Metritis (CEM)

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CEM Exposure: Virginia Farms Quarantined

January 05, 2009

Richard L. Wilkes, DVM, state veterinarian with the Virginia Department of Agriculture and Consumer Services (VDACS), Dec. 23, 2008, placed full or partial quarantines on farms in Floyd and Goochland counties. Mares at these farms have had... Read More

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Texas Testing 15 Horses Linked to CEM

January 05, 2009

Texas is among nearly 30 states tracing and testing horses that might have been exposed to contagious equine metritis (CEM), a highly contagious disease that can be transmitted during breeding or artificial insemination. CEM can cause temporary... Read More

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CEM Exposure: Oklahoma Mare Quarantined

January 05, 2009

Oklahoma agriculture officials are warning horse breeders of contagious equine metritis (CEM), which can result in infertility in mares. One Oklahoma mare has been identified as... Read More

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Three Indiana Stallions Positive for CEM

January 02, 2009

Three Paint stallions that stood at DeGraff Stables/Liberty Farm Equine Reproduction Center LLC in Midway, Ky., during the 2008 breeding season have now tested positive for contagious equine metritis (CEM), according to a statement released by... Read More

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CEM Exposure: North Dakota Mare Quarantined

January 02, 2009

A North Dakota mare has been quarantined after state animal health officials learned it had been exposed to contagious equine metritis (CEM), a highly contagious venereal disease of horses.

"The animal and all other horses on the premises... Read More

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CEM Investigation by the Numbers

January 02, 2009

The USDA's Animal and Plant Health Inspection Service (APHIS) is posting updates on the ongoing investigation into contagious equine metritis (CEM) cases... Read More

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Semen From CEM-Positive Kentucky Stallion Was Shipped To Canada

December 26, 2008

The Canadian Food Inspection Agency (CFIA) issued a warning late Friday, Dec. 26, that semen from one of the four Quarter Horses confirmed positive for contagious equine metritis (CEM) had been shipped to farms in Ontario and Alberta. It had... Read More

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Fourth Stallion has CEM; Kentucky Farm and State Working Together

December 23, 2008

A fourth stallion that formerly stood at a Central Kentucky breeding facility, now identified as DeGraff Stables/Liberty Farm Equine Reproduction Center LLC, has tested positive for contagious equine metritis (CEM). Officials had considered this... Read More

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University of Kentucky Assists in CEM Investigation

December 22, 2008

A 16-year-old Quarter Horse stallion residing in Kentucky tested positive for the causal agent of contagious equine metritis (CEM), a bacterium Taylorella equigenitalis, on Dec. 10 (Read More

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CEM: Testing Continues, Officials Tracking Mares

December 20, 2008

Following the Dec. 19 announcement that two additional stallions have cultured positive for contagious equine metritis (CEM) on a Central Kentucky breeding facility, authorities now have the challenge of not only determining the status of the... Read More

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More Stallions Positive for CEM; Federal Funds Requested

December 19, 2008

Two additional stallions bring the total to three positive for contagious equine metritis (CEM) on a single Central Kentucky farm. The stallions added to the list are a 13-year-old Quarter Horse and a 4-year-old registered with the American... Read More

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Contagious Equine Metritis

December 19, 2008

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Contagious Equine Metritis Reported in Kentucky Stallion

December 16, 2008

State and federal agriculture officials are investigating a case of contagious equine metritis (CEM) in a Quarter Horse in Central Kentucky.

The 16-year-old stallion tested... Read More

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Contagious Equine Metritis Case Could Impact Horse Transport

December 16, 2008

State and federal agriculture officials announced Dec. 16 that a Quarter Horse stallion standing at stud in Kentucky has tested positive for contagious equine metritis (CEM). As the... Read More

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CEM Rule Amended for Entertainment Horses

June 25, 2008

The USDA has amended its import rules to allow noncompetitive entertainment horses to be temporarily brought into the U.S. from countries affected with contagious equine metritis (CEM), a venereal disease of horses. The final rule, titled... Read More

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AHC Supporting Proposed Import Rule Change for Entertainment Horses

October 04, 2007

The American Horse Council (AHC) has submitted comments supporting the United States Department of Agriculture's proposed rules to allow horses intended to serve in noncompetitive... Read More

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USDA: Horses from CEM Countries Could be Allowed as Temporary Imports

August 08, 2007

The U.S. Department of Agriculture's Animal and Plant Health Inspection Service (APHIS) has proposed to amend its regulations so that horses to be used for noncompetitive entertainment from countries affected with Read More

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AAEP 2006: Reproduction Forum

July 12, 2007

Drug compounding, the ethics of treating cryptorchids, and sexually transmitted diseases were the hot topics discussed by equine practitioners at the Reproduction Forum, led by Steven Brinsko, DVM, PhD, Dipl. ACT, associate professor of... Read More

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CEM Necessitates Changes to Spanish Riding School Management, Schedule

May 01, 2007

Officials with the Spanish Riding School of Vienna, Austria, announced in April that contagious equine metritis (CEM) had been confirmed in Lipizzans at the school and the Federal Stud, and that certain changes in the school's schedule and... Read More

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Repro Updates

March 23, 2007

Equine reproduction was covered at the 2006 AAEP Convention including foaling, venereal disease, breeding, etc... Read More

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Reproduction Problems

March 01, 2007

Drug compounding, the ethics of treating cryptorchids, and sexually transmitted diseases were the hot topics discussed by equine practitioners at the Reproduction Forum.... Read More

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CEM-Positive Horses Under Quarantine in Wisconsin

November 10, 2006

Two Lipizzaner stallions in Dane County, Wisc., are enjoying the dubious honor of being the country's first cases of contagious equine metritis (CEM) since 1998.

The Office International des Epizooties (OIE, or World Organization for Animal... Read More

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CEM Reported in Wisconsin

October 21, 2006

Wisconsin animal health officials have reported two cases of contagious equine metritis (CEM) in Mount Horeb to the Office International des Epizooties (OIE, or World Organization for Animal Health). A ProMED-mail post announced the disease... Read More

Article

Quick Detection of Contagious Equine Metritis

September 29, 2006

French researchers report they have developed a rapid, effective test for detecting the bacterium that causes the venereal disease contagious equine metritis (CEM). Taylorella equigenitalis is a Gram-negative bacterium that's responsibl... Read More

Article

CEM Confirmed in British Horse

April 13, 2005

The United Kingdom's Department for the Environment, Food, and Rural Affairs (Defra) announced the detection of a contagious equine metritis (CEM) carrier stallion  in the Frome area of Somerset (in southwest England) on April 30. Officials... Read More