Contagious Equine Metritis (CEM)

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CEM Update 3/20/98

March 20, 1998

The nurse mare (Miss VQ) which was leased to a Thoroughbred farm in Kentucky and found culture positive for the CEM-like organism has implicated two non-registered stallions (Hammer and Coal Digger) as the potential source of her... Read More

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Contagious Disease: Care Not Fear

March 01, 1998

It never seems quite fair when "something" happens that doesn't directly involve you, but ends up affecting you. Vesicular stomatitis did that to many horse people in the last two years. Restrictions on movement of horses caused problems for... Read More

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Contagious Equine Metritis

March 01, 1998

There are at least 25 countries in the world where contagious equine metritis (CEM) exists, or has been known to exist sometime in the past, in the native equid population (meaning horses, mules, donkeys, etc.). These countries include... Read More

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CEM Update From the USDA

February 20, 1998

Original Isolation (California) on Nov. 24, 1997, bacterial cultures were obtained from a mammoth donkey jack located in Sacramento County, Calif., in preparation to qualify his semen for export. Specimens were submitted to... Read More

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CEM Epidemiological Survey and Action (California)

February 20, 1998

The contagious equine metritis (CEM)-affected jack in California is approximately 11 years old and has been owned by the same individual for 10 years since purchased at a local mule event. From purchase until... Read More

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Independent Secondary Isolation of CEM in Kentucky

February 20, 1998

In a separate and unrelated incident, a second contagious equine metritis (CEM)-like organism was recovered from a jack in Kentucky which has no known association or relation to the California jack. Two Standardbred mares... Read More

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Kentucky CEM Update

February 20, 1998

As of Feb. 18, three more horses had tested positive for a "CEM-like" organism in Kentucky. A Paint stallion and two pregnant mares were cultured positive for the organism on the original nurse mare farm in Kentucky where the organism that cause... Read More

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USDA Relieves Oklahoma Horse Import Restrictions

February 20, 1998

The USDA has added Oklahoma to the list of states approved to receive certain mares and stallions imported into the United States from regions affected with contagious equine metritis, a serious venereal disease of... Read More

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Kentucky Thoroughbred Farm Manager's Club: Keeping Mares and Foals Healthy

February 17, 1998

The middle of foaling season was an appropriate time for farm managers in Central Kentucky to brush up on some of the finer points of keeping foals and mares healthy. Veterinarian Karen Wolfsdorf of Hagyard, Davidson, & McGee,... Read More

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CEM: Breeding Farm Precautions

February 17, 1998

The problem of contagious equine metritis (CEM) has not gone away. In fact, it has become more confusing as the weeks have progressed since a "CEM-like organism" was found in a Mammoth donkey jack in California in December 1997. In a separate an... Read More

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American Horse Council: Watchdog In Washington

July 01, 1996

There are an estimated six million equines in the United States. In some states, the horse industry is a multi-billion-dollar business, contributing substantially to the state and local tax base, as well as providing employment, entertainment,... Read More