Abortion and Embryonic Death

Article

Increase in Abortions Noted in Kentucky Broodmares

February 01, 2011

The University of Kentucky's Veterinary Diagnostic Laboratory (VDL) has noted an increase in the number of abortions reported in Kentucky's 2011 foal crop, especially those caused by nocardioform placentitis. The VDL, which reported 19 cases from... Read More

Article

Equine Abortion of Unknown Cause

January 22, 2011

Pregnancy loss is relatively common in horses. Only 80% of mares bred give birth to a live foal at term. The loss of the developing foal (fetus) during gestation can fall under one of two categories: early embryonic loss, in which the loss of a fetus... Read More

Article

Fescue: A Danger to Pregnant Mares

January 02, 2011

In many parts of the world horse pastures contain a fair percentage of fescue, a hardy perennial grass that thrives despite heavy hoof traffic, intense grazing, and adverse growing conditions. Unfortunately, there's a drawback: 75% of all fescue is ... Read More

Article

Endometritis in Horses Explained

November 01, 2010

Often, the only clinical sign of endometritis is not what you do see but what you don't see: a pregnancy. Endometritis is a major cause of female infertility, affecting up to 15% of broodmares. But because it frequently lacks clear clinical signs... Read More

Video

Equine Fetal Life/Placenta

September 24, 2010

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Article

Equine Herpesvirus Type 1 in Tasmania

August 06, 2010

A recent outbreak of equine herpesvirus type 1 (EHV-1), a highly infectious viral disease of horses, has been confirmed on a breeding farm in northern Tasmania. One mare died and several others aborted their foals. According to Read More

Article

EVA: Stallion in England Tests Positive

August 06, 2010

A stallion has tested positive for the venereal disease Equine viral arteritis (EVA) in Staffordshire, England, reports HorseandHound. Breeding restrictions have ... Read More

Article

Toxin Topic: Red Maple Toxicosis

June 22, 2010

Red maple trees Acer rubrum are beautiful trees that grow extensively throughout eastern North America. However, horse owners should be aware these trees can pose a serious risk to horses. Ingestion of wilted or dried maples leaves can... Read More

Article

Eastern Tent Caterpillar Numbers Up Again

April 19, 2010

Experts in Kentucky report that eastern tent caterpillar numbers are up for the third consecutive year, although populations vary from location to location.

According to Lee Townsend, University of Kentucky College of Agriculture entomologist, ... Read More

Article

Hormone Therapy Might Prevent Equine Abortion

March 17, 2010

Veterinarians might be able to prevent abortions in some pregnant mares that show premature mammary development, Dietrich H. Volkmann, BVSc, MMedVet (Gyn), Dipl. ACT, told equine veterinarians at the 2010 Western Veterinary Conference, held Feb... Read More

Article

Managing Pastures to Avoid Tall Fescue Toxicity

February 25, 2010

Broodmare farm operators in the southeastern United States are interested in managing tall fescue toxicity because of the pregnancy complications it can cause.

The University of Kentucky Horse Pasture Evaluation Program, has evaluate... Read More

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World Equine Veterinarians Meet (WEVA 2009)

January 28, 2010

A summary of the the 2009 WEVA Congress that was held in Guarujá, São Paulo, Brazil.... Read More

Video

Abortion in Horses

January 26, 2010

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Article

Mare Aborts Full Sister to Barbaro

January 21, 2010

One day after Barbaro's brother Lentenor broke his maiden in impressive fashion, farm managers reported that La Ville Rouge, the dam of both horses, aborted her 2010 foal.

The foal, which was aborted Dec. 24, 2009, had been sired... Read More

Article

World Vets Meet

January 01, 2010

The 2009 World Equine Veterinary Association Congress included discussions of Rhodococcus equi, which causes foal pneumonia; sleep disorders and seizures; guttural pouch problems; late-term abortion; and tendon sheath problems/lameness.... Read More

Article

Placentitis Research Could Help Prevent Late-Term Abortions

December 18, 2009

Placentitis, which often is caused by an ascending infection that enters the mare's uterus through the cervix, is the single most important cause of premature delivery of a foal. Placentitis accounts for nearly one-third of late-term aborti... Read More

Article

First Leptospirosis Abortions Reported in England

December 04, 2009

Diagnostic pathologists at the Animal Health Trust (AHT), Newmarket recently published the first report of equine abortions in England caused by leptospirosis.... Read More

Article

Late Term Abortion in Mares Reviewed for World Equine Veterinarians

November 07, 2009

Failure to conceive and early embryonic death both negatively impact the equine breeding industry; however, late-term abortions also occur and should not be ignored, said Michelle M. LeBlanc, DMV, Dipl. ACT, from Rood & Riddle Equine... Read More

Article

MRLS Foal Losses in Kentucky Increased Slightly in 2009

August 12, 2009

Between May 5 and June 15, the Livestock Disease Diagnostic Center (LDDC) diagnosed 13 foal loss cases caused by mare reproductive loss syndrome (MRLS) in Central Kentucky. This number was up slightly from 2003-2008 when only three to five cases... Read More

Article

Kentucky Reports Mare Reproductive Loss Syndrome Cases

May 13, 2009

The University of Kentucky Livestock Disease Diagnostic Center (LDDC) reported today (May 13) that two fetal necropsy cases had findings consistent with mare reproductive loss syndrome (MRLS), the disease that in 2001-2002 in Kentucky caused an... Read More

Article

Early Embryonic Loss and Genetics

April 22, 2009

Chromosomes are large segments of DNA wound around special proteins within each cell's nucleus. They contain nearly all of the body's genetic material. Horses have 64 chromosomes (or 32 pairs) including the two sex chromosomes (XY in males and X... Read More

Article

Monitoring and Preventing Equine Herpesvirus Abortions

August 03, 2008

The monitoring of abortions attributable to equine herpesvirus-1 (EHV-1) initiated in 1957 among the Thoroughbred mare population of Central Kentucky has continued annually for the past 51 years. The number of EHV-1 abortions per 1,000 pregnant... Read More

Article

MRLS: Caterpillar Population Up Sharply from 2007

May 09, 2008

Experts with the University of Kentucky (UK) report that Eastern tent caterpillars are now wandering in the area, and population levels are among the highest they've seen since the 2001, when mare reproductive loss syndrome (MRLS) hit Central... Read More

Video

Foal Diseases

May 08, 2008

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Article

Leptospirosis: What Is It?

March 01, 2008


Don’t overlook this "bug" that can cause abortion and uveitis (moon blindness).

Many horse people don't know that much about leptospirosis. If you have heard of it, it is probably in... Read More