Abortion and Embryonic Death


A Hairy Situation

September 12, 2003

Another new word has been added to the equine world--setae (prounced see-tay). Why? Horses have hair, caterpillars have setae. There are some researchers who hold the belief that these hair-like projections on the skin of Eastern tent... Read More


Veterinarians Debunk Suggested Link Between WNV Vaccine and Birth Problems

June 23, 2003

Despite recent media reports, Wyoming, Colorado, and USDA veterinarians say that there is currently no scientific proof to link the West Nile virus vaccine to aborted, stillborn, or deformed foals, and that horse owners should continue to... Read More


West Nile Virus Vaccine: Adverse Effects in Mares?

June 09, 2003

Allegations that the West Nile virus vaccine might have caused abortions and deformed foals were made in a May 30 Denver Post article. Mare owners calling themselves the “Lost Foals Group” claim the vaccine has caused up to 1,200... Read More


Next Steps Toward Solving MRLS Involve Think Tank

April 02, 2003

Veterinarians and researchers trying to pinpoint the cause of mare reproductive loss syndrome (MRLS) have joined together to create an MRLS "think tank," the progress and goals of which were discussed April 1 at a joint meeting of the Kentucky... Read More


WNV and Equine Abortions?

April 01, 2003

A question has been raised whether the increased number of West Nile virus (WNV) cases in Kentucky in late summer and fall 2002 contributed to a rise in fall abortions. A retrospective study by the University of Kentucky's Livestock Disease and... Read More


Central Kentucky Abortions Down For Third Straight Week

March 07, 2003

Reported equine abortions in Central Kentucky are down for the third week in a row and overall abortions for 2003 are drawing even with the 2002 numbers. According to figures from the University of Kentucky's Livestock Disease Diagnostic Center... Read More


Results of Farm Survey To Determine Autumn Fetal Loss Risk Factors

February 11, 2003

Results of a survey of central Kentucky horse farms has provided information on possible risk factors associated with increased fetal losses during early and late autumn 2002. The survey was conducted by the University of Kentucky Department of... Read More


Equine Abortions In Central Kentucky Still Ahead Of Last Year's Pace

February 11, 2003

The number of equine abortions in Central Kentucky remains ahead of last year's pace based on the most recent report issued by the University of Kentucky's Livestock Disease Diagnostic Center (LDDC) on Tuesday, Feb. 11. Thirty-eight aborted... Read More


2002 Fall Fetal Loss Syndrome

February 07, 2003

The results of a survey conducted by the University of Kentucky's Gluck Equine Research Center and College of Agriculture showed that a small number of Thoroughbred and other farms experienced an unusual increase in what is being termed fal... Read More


WNV and Kentucky Abortions?

February 05, 2003

A question has been raised whether the increased number of West Nile virus (WNV) cases in Kentucky in late summer and fall 2002 contributed to a rise in fall abortions. A retrospective study by the University of Kentucky’s Livestock Disease and... Read More


KAEP Statement Regarding Kentucky Abortions

February 03, 2003

The statement below was released Feb. 2 by the Kentucky Association of Equine Practitioners.

“Due to the increased surveillance of any equine abortions in the past two years, the Lexington Disease and Diagnostic Center (LDDC) has... Read More


No Live Foal Guarantees

February 01, 2003

Subconsciously, you've been holding your breath for months. From the moment your mare was confirmed in foal, it's been a tense waiting game. And although she will be foaling soon, you know a healthy foal is still anything but a given. Between... Read More


Abortions Up In Central Kentucky; Signs Not Consistent With MRLS

January 31, 2003

The abortion rate in Central Kentucky is up from a year ago, but scientists aren't sure why there has been an increase.

"At this time, there is nothing that is fully consistent with MRLS (mare reproductive loss syndrome)," said Dr. Lenn... Read More


Kentucky Abortions Update

December 18, 2002

The “blip” of abortions seen in August, September, and October in Kentucky has continued on through December. With only about 50 total abortions reported, this problem might not even catch the attention of many people in a normal year, as... Read More


Luteal Insufficiency in the Mare

November 08, 2002

Insufficient function of the corpus luteum (the structure formed after the follicle that releases the egg, or ovulates, and then produces progesterone) has been proposed as a mechanism for early embryonic loss in the mare, but until now there... Read More


Fall Abortions in Kentucky

October 28, 2002

Pathologists at the Kentucky Livestock Disease Diagnostic Center (LDDC) in Lexington noticed that a few more fetal losses were being seen than was usual during August, September, and October. That prompted increased surveillance and reporting,... Read More


Caterpillars Cause Late-Term Abortions

July 16, 2002

The University of Kentucky (UK) College of Agriculture today is releasing preliminary results from a collaborative project involving the UK Livestock Disease Diagnostic Center (Drs. Lenn Harrison, Manu Sebastian, and Deborah Williams), UK... Read More


Does Ultrasound Give Clues to Abortion Cause?

July 16, 2002

Hagyard-Davidson-McGee veterinary associates worked with the University of Kentucky (UK)he latest project that has associated Eastern tent caterpillars (ETC) and mare reproductive loss syndrome (MRLS). Drs. Nathan Slovis and Thomas Seahorn, both... Read More


New Discoveries in MRLS Research

July 16, 2002

Four interesting facts were brought to light because of the late-term abortion and Eastern tent caterpillar (ETC) study that was recently completed at the University of Kentucky (UK), according to Dr. Thomas Tobin of the Gluck Equine Research... Read More


Oxytocin and Maternal Recognition of Pregnancy

October 03, 2001

A research report from the laboratory at the Gluck Equine Research Center at the University of Kentucky noted that it is well-established that early conceptus loss (the embryo and its... Read More


Embryo Transfer for Horses

September 18, 2001

One plus one plus one equals one. The stallion, dam, and surrogate dam probably never met, but all three contributed to produce a foal. Today's assisted breeding technologies can overcome the constraints of distance, competitive involvement,... Read More


Untimely End--Early Embryonic Death

April 01, 2001

Breeding horses can be both exhilarating and devastating. Wrapped up in the process are hopes, dreams, and visions of future greatness and glory. The hopes and dreams begin with the selection of a stallion for your special mare. You assess her... Read More


The Trouble With Twins

March 01, 2001

Breeders should endeavor to remove one of the twin embryos early in pregnancy.... Read More


False Pregnancy

August 01, 2000

It is a frustrating condition. Even though a mare is not pregnant, her body tells her that she is, and all of her reproductive systems react accordingly. She does not come into heat, and her body begins preparations for housing and nourishing a... Read More


Fescue Toxicosis And Treatment

July 01, 2000

When tall fescue first arrived in the United States during the 1940s, it was considered a wonder grass. It was easy to establish, it yielded a good amount of forage, it was tolerant of a wide range of management regimens, and it could handle a... Read More