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Supporting Your Horse's Immune System

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Rhodococcus equi Pneumonia: Rethinking Treatment to Fight Resistance
Skill, Science, and Sensitivity: Unpacking Horse Training Misconceptions
Rehabilitating the Neurologic EPM Horse
Building a Balanced Diet for Your Mare and Foal
Joint Health Matters: Top Therapies for a Successful Season
The Abscess Ruptured, But My Horse is Still Lame. Now What?
Understanding Horse Aggression
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Front Foot Lameness in Horses: Don’t Forget the Exam

The Many Faces of Equine Metabolic Syndrome

Washington Horse Positive for EHV

California Gelding Confirmed Positive for EHM

Figuring Out Limb Fractures in Horses

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June 25, 2024

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Venereal Disease

Subcategories:

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Equine Venereal Disease

Christa Lesté-Lasserre, MA December 1, 2014

Equine sexually transmitted diseases can affect pregnancy outcomes and breeding stock welfare.

CEM: An Insidious and Potentially Pervasive Disease

Equine Disease Quarterly October 13, 2012

Contagious equine metritis (CEM) gives rise to considerable concern among horse breeders in many countries.

Italy Responds to Equine Dourine Outbreak

Equine Disease Quarterly July 2, 2012

In May 2011, a stallion undergoing routine testing in Italy for stud purposes tested positive for dourine.

Equine Reproductive Tract Bacteria Studied

Natalie DeFee Mendik, MA June 16, 2012

One study showed bacteria on stallions’ external genitalia do not appear to affect stallion or mare fertility.

Arizona Stallion Reported Positive for CEM

Edited Press Release July 26, 2011

A stallion in Arizona has tested positive for contagious equine metrititis (CEM), a sexually transmitted …

French EVA Outbreak Stabilizing

Christa Lesté-Lasserre, MA July 12, 2011

A stallion, several mares, and a foal have tested positive for equine viral arteritis at two French Lusitano

Italian Dourine Outbreak Continues

Erica Larson June 26, 2011

World animal health officials are monitoring the spread of an outbreak of the equine venereal disease dourine

Animal Health Officials Monitoring Dourine in Italy

Erica Larson June 15, 2011

World animal health officials are investigating two confirmed cases of the equine venereal disease dourine

Contagious Equine Metritis Detected in South Africa

Erica Larson May 14, 2011

Two cases of contagious equine metritis (CEM) have been confirmed in the South African province of Gauteng,

Vaccinating Pregnant Mares for Equine Viral Arteritis

Nancy Zacks, MS April 24, 2011

In the event of an equine viral arteritis (EVA) outbreak, is it safe to vaccinate your pregnant mare so she develops the immunity she needs to prevent infection and resulting abortion? The results of a recent collaborative study completed by

New USDA Rule for Horses Imported from CEM-Affected Countries

Edited Press Release March 28, 2011

The USDA’s Animal and Plant Health Inspection Service (APHIS) is amending its regulations regarding the importation of horses from countries affected with contagious equine metritis (CEM). “The additional testing added to our existing import

CEM Investigation Finds 21 Positive Stallions

Erin Ryder June 2, 2009

The ongoing investigation into venereal disease contagious equine metritis (CEM) has now located 21 stallions–one of which is now a gelding–positive for causative organism

Number of U.S. Horses Exposed to CEM Hits 920

Erin Ryder May 20, 2009

The ongoing investigation into contagious equine metritis (CEM) now includes more than 920 exposed or positive horses, according to the USDA.

The investigation began in mid-December 2008, when a Quarter Horse stallion on a Kentucky farm tested

Where Not to Pinch Pennies

Kristen Slater, DVM March 1, 2009

In tough economic times, many horse owners look for ways to cut costs. Too often this is done by cutting back on veterinary care. However, it is important to keep in mind that what may save us a couple of dollars now might end up costing us much

California Mare Positive for CEM

Edited Press Release February 25, 2009

A 12-year-old mare in California has tested positive for contagious equine metritis (CEM), a highly contagious but treatable reproductive disease of horses.

The positive mare was bred via artificial insemination using shipped semen collecte

Questions to Ask Before Breeding a Mare

Nancy S. Loving, DVM February 2, 2009

Thinking of breeding your mare this spring? The recent outbreak of contagious equine metritis (CEM, which is caused by bacterium Taylorella equigenitalis) in the United States and the previous outbreak of equine viral arteritis (EVA) have