Breeding and Reproduction

Horse breeding from planning through foal care

CEM Exposure: 17 Wisconsin Horses Quarantined

Seventeen horses on 11 different farms in Wisconsin have been quarantined and will be tested because they have been exposed to a highly contagious disease that can cause reproductive problems in mares.

However, Wisconsin State Veterinarian

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Prevent CEM, Other Infectious Diseases Through Strict Hygiene

Strict hygiene guidelines should be followed whenever handling breeding mares or stallions to prevent reproductive infectious diseases, including contagious equine metritis (CEM).

CEM is spread between horses primarily by breeding, either b

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CEM Exposure: Virginia Farms Quarantined

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

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Texas Testing 15 Horses Linked to CEM

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

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Three Indiana Stallions Positive for CEM

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

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CEM Exposure: North Dakota Mare Quarantined

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

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EHV: Horses Allowed to Ship In to Fair Grounds

While a barn in Fair Grounds’ stable area remains under a Louisiana State Racing Commission (LSRC) quarantine, horses will again be allowed to ship in and race at the track beginning with the Dec. 31 card.

Quarantine and biosecurity measure

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Dam Wins Battle of the Sexes to Protect Foal

After witnessing a rare (and unsuccessful) infanticide attack by a stallion on a one-hour-old foal, behavior researcher Meeghan Gray, PhD, from the University of Nevada, Reno, reported findings from the macabre event.

“In this first report

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