Recent News for Mare Care and Problems

Article

Equine Herpesvirus-1 Outbreak in Oregon

November 01, 2003

Since Aug. 10, 16 horses at Brookhill Stables in Goble, Ore., and two horses from a nearby private farm have shown respiratory and/or neurologic signs consistent with equine herpesvirus type 1 (EHV-1), although not all were tested for the... Read More

Article

MRLS and Caterpillar Hairs

November 01, 2003

There is new evidence that the setae (hair-like projections) on Eastern tent caterpillars (ETC) can become embedded in the submucosal lining of the alimentary tract (from the mouth to the colon) of animals and cause microgranulomas (small,... Read More

Article

Early Season Breeding: Let There Be Light!

October 01, 2003

Because of the demands of competition and sales, following the natural reproductive cycle dictated by Mother Nature often doesn't fit into man's breeding program. While Mother Nature's time frame stipulates that the mare should be receptive to... Read More

Article

MRLS Research Funding Exceeds $2 million; More Needed

September 23, 2003

Funding figures from the University of Kentucky and non-university sources for research on mare reproductive loss syndrome (MRLS) were recently made available. The problem is estimated to have cost the horse industry in Kentucky nearly $500... Read More

Article

Breeders Granted $5 Million in Loans to Help with MRLS

September 23, 2003

The U.S. Department of Agriculture's Farm Service Agency (FSA) has approved $5,407,739.00 in low-interest loans for breeders in Central Kentucky who were negatively impacted by mare reproductive loss syndrome.

The program was developed b... Read More

Article

Oregon Equine Herpesvirus-1 Outbreak

September 19, 2003

In the last month, 16 of the 19 horses at Brookhill Stables in Goble, Ore., and two horses from a nearby private farm, have showed respiratory and/or neurologic signs consistent with equine herpesvirus type 1 (EHV-1), although not all have been... Read More

Article

Eastern Tent Caterpillar Setae in Digestive Tract of Mare

September 19, 2003

Hair remnants, resembling Eastern tent caterpillar (ETC) setae (hair-like projections on the outside of the caterpillar), were found embedded in the submucosa of the digestive tract of one mare fed ETC larvae. Examination of this mare represents... Read More

Article

Bacterial Involvement in MRLS

September 15, 2003

Eastern tent caterpillars (ETC), plus some bacteria, plus a mechanism to deliver bacteria to blood, equals MRLS (mare reproductive loss syndrome). This summary of a hypothesis based on accumulating data was presented at a regular weekly meeting... Read More

Article

Setae and MRLS

September 12, 2003

Studies to determine the cause of mare reproductive loss syndrome (MRLS) have led investigators to associate the syndrome with exposure to the Eastern tent caterpillar. Although the exact cause of MRLS remains unknown, some component of the oute... Read More

Article

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

Article

Irritating Caterpillars

September 12, 2003

While we all were irritated to some extent by the massive amounts of caterpillars in 2001 and 2002--stepping on them, having them climb our fences, houses, cars, gates, and everything else around our homes and farms--there is new evidence that... Read More

Article

Study Shows Caterpillars Cause Fetal Loss in Pigs; Problems Similar to MRLS

September 08, 2003

Eastern tent caterpillars (ETC) caused fetal loss in domestic pigs based on a recent study, according to a press release issued Sept. 5 by the University of Kentucky. The experiment demonstrated for the first time that ETC could... Read More

Article

Older Mares: She Ain't What She Used to Be

August 01, 2003

Wear on the reproductive tract can make it more difficult for older mares to conceive and carry a foal.... Read More

Article

Chemical Implicated in Causing MRLS

August 01, 2003

Research has shown that it probably isn't a virus or bacteria (a biological agent) that links the Eastern tent caterpillar (ETC) to mare reproductive loss syndrome (MRLS). Bill Bernard, DVM, Dipl. ACVIM, of Rood and Riddle Equine Hospital in... Read More

Article

The Infertile Mare

July 30, 2003

Sometimes it can be quite difficult to get a mare pregnant, especially if she has fertility problems. There are several reasons that a mare might be infertile, many of which can be treated. Two reproductive specialists from Lexington, Ky., share... Read More

Article

Vaccination Protocols and Internal Parasite Controls

July 29, 2003

Preventing infectious diseases and parasites from attacking our horses are primary concerns for every horse owner. James D. Smith, DVM, a practitioner at Hagyard-Davidson-McGee Associates, PLLC, in Lexington, Ky., and Craig Reinemeyer, DVM, PhD,... Read More

Article

MRLS Workshop Proceedings Available

July 01, 2003

The Kentucky Agricultural Experiment Station has published the scientific papers from the August 2002 workshop on mare reproductive loss syndrome (MRLS) convened at the University of Kentucky's (UK) Gluck Equine Research Center. This information... Read More

Article

The Inner Mare

July 01, 2003

Owners of mares should know correct anatomical terminology, have a working knowledge of the normal reproductive cycle, and be acquainted with common problems that could occur. The following article is designed to help mare owners understand the... Read More

Article

Building Better Athletes Through Nutrition

July 01, 2003

Nutritional strategies for raising and competing sounder Thoroughbreds, many of which can be applied to horses of all breeds, was presented by Laurie Lawrence, PhD, at the Thoroughbred International Exposition and Conference (TIEC). Lawrence, wh... Read More

Article

Kentucky MRLS 2003 Update

June 30, 2003

There was some apprehension in Central Kentucky as to whether the elimination of cherry trees and spraying for caterpillars would be enough to decrease the numbers of mare reproductive loss (MRLS) abortions that occurred in 2001, and to a lesser... Read More

Article

USDA Clarification on the Issue of the West Nile Virus Vaccine: Vaccine Safe for Use

June 26, 2003

From the USDA:

"Some recent stories have suggested that the Fort Dodge Animal Health West Nile Virus Vaccine approved by the U.S. Department of Agriculture (USDA) may cause pregnant mares to abort or give birth to deformed foals. The... Read More

Article

Chemical Implicated in Causing MRLS

June 26, 2003

A research project has determined that it probably isn't a virus or bacteria (a biological agent) that links the Eastern tent caterpillar (ETC) to mare reproductive loss syndrome (MRLS). Bill Bernard, DVM, Dipl. ACVIM, an internal medicine... Read More

Article

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

Article

MRLS Agent in or on Caterpillar Exoskeleton

June 10, 2003

The University of Kentucky College of Agriculture last week released the results of a recently completed experiment conducted by the Departments of Veterinary Science (Karen McDowell, MS, PhD) and Entomology (Bruce Webb, MS, PhD, and... Read More

Article

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