Recent News for Breeding and Reproduction

Article

Outside of Caterpillar Might Be Linked to MRLS

January 01, 2003

Since the beginning of the mare reproductive loss syndrome (MRLS) in 2001, there have been many theories as to the cause of the problems. Honing in on the extreme number of Eastern tent caterpillars (ETC) in 2001 and 2002, studies have shown tha... Read More

Article

Environment and Hormones

January 01, 2003

Some natural and man-made compounds in the environment can disrupt the delicate reproduction hormone balance in many species, possibly including horses. Her suggestion was that although this cause of reproductive dysfunction had not been studied in h... Read More

Article

Managers Doing Good Job with Pastures

December 30, 2002

A week following the Dec. 23 release of information about the University of Kentucky’s pasture monitoring related to mare reproductive loss syndrome (MRLS), Jimmy Henning, PhD, extension forage specialist at the University of Kentucky (UK)... Read More

Article

Sentinel Farm Summary; 2002 Pasture Monitoring Program

December 27, 2002

The following information was produced by the University of Kentucky College of Agriculture from Wayne Long (pwlong@uky.edu) and Jimmy Henning (jhenning@uky.edu) of the... Read More

Article

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

Article

Horseman's Day at the 2002 AAEP Convention

December 17, 2002

Horseman’s Day, held for the third time as part of the annual AAEP convention, was another rousing success. There weren’t as many people in attendance as there were in San Diego last year, but they were just as enthusiastic. AAEP officials said... Read More

Article

West Nile Virus Vaccination in Mares and Foals

December 04, 2002

There were nearly 14,000 reported cases of West Nile virus (WNV) in the United States in 2002 by the end of November, and many broodmares were exposed to the virus even if not clinically affected. As the country begins its fifth year of handling... Read More

Article

Exercise and Bone Development

December 01, 2002

Beneath the smooth surface of articular cartilage, subchondral bone gives structural support to joints. Normally, newborn foals have a lot of water in this layer, which is slowly replaced by calcium and collagen as the foal weights his joints.... Read More

Article

Unusual Fall Abortions in Kentucky

December 01, 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

Article

One More Piece in MRLS Puzzle

December 01, 2002

Researchers at the Kentucky Livestock Disease Diagnostic Center (LDDC) have uncovered one more piece in the puzzle that is known as mare reproductive loss syndrome (MRLS). Whatever caused early fetal losses and late-term abortions in 2001 and... Read More

Article

Genome Meeting Convenes

November 26, 2002

In October 2002, a meeting of the Interagency Working Group for domestic animal genome sequencing was convened at the USDA Whitten Building in Washington DC to discuss prioritization of domestic animal species for DNA genome sequencing. That suc... Read More

Article

Factors Affecting Fertility with Cooled Semen

November 26, 2002

With the use of cooled shipped semen on the rise, breeders want to maximize the effects of this new technology as best they can. However, there are a variety of factors that can affect fertility with cooled semen, said Dickson Varner, DVM, MS,... Read More

Article

Clostridia-Associated Enterocolitis in Foals

November 25, 2002

Clostridia-associated enterocolitis (inflammation of the small intestine and colon) affects both humans and horses, young and old alike. According to Nathan Slovis, DVM, Dipl. ACVIM, of Hagyard-Davidson-McGee (HDM) Associates veterinary clinic i... Read More

Article

Meeting Addresses Prioritization of DNA Genome Sequencing in Animals

November 22, 2002

In October 2002, a meeting of the Interagency Working Group for domestic animal genome sequencing was convened at the USDA Whitten Building in Washington, D.C. to discuss prioritization of domestic animal species for DNA genome sequencing. That... Read More

Article

Endometrial Cysts

November 15, 2002

Endometrial cysts occur in up to 22% of all mares and up to 55% of older mares.... Read More

Article

Nutrition and Reproduction

November 11, 2002

"Sex is truly a luxury in the body--you've got to be productive before you can be reproductive," began David Pugh, DVM, MS, Dipl. ACT, Dipl. ACVN, a professor of reproduction at Auburn University, in his presentation, "Nutrition and Its Effects... Read More

Article

Deep Horn Insemination Technique

November 08, 2002

In his presentation "Deep Horn Insemination" at the Hagyard-Davidson-McGee Bluegrass Equine Reproduction Symposium Oct. 25, John Steiner, DVM, Diplomate ACT, discussed two ways to use minimal numbers of sperm deposited at the tip of the uterine... Read More

Article

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

Article

Neonatal Emergency Management in the Field

November 06, 2002

Rhonda Rathgeber, DVM, PhD stressed the need for assessing newborn foals early for abnormal conditions.... Read More

Article

Kentucky Farm Managers Address MRLS

November 06, 2002

President Eric Hamelback gave a sense of urgency as he opened the most recent meeting of the Kentucky Thoroughbred Farm Managers' Club, saying "we need to make plans for control now." Hamelback was referring to Mare Reproductive Loss Syndrome, a... Read More

Article

The Colicky Foal

November 04, 2002

The first thing to decide in a foal with abdominal pain is if the colic is surgical or non-surgical, said Bernard. He stressed the importance of observance "before you jump on it" and start taking vitals and administering medications.... Read More

Article

Pilot Study Implicates Outer Portion of ETC

November 04, 2002

Since the beginning of the mare reproductive loss syndrome in 2001, there have been many theories as to the cause of the problems. Honing in on the extreme number of Eastern tent caterpillars (ETC) in 2001 and 2002, studies have shown that early... Read More

Article

Reproductive Emergencies in the Stallion

November 04, 2002

 Although uncommon, reproductive emergencies will occur in the breeding stallion and when they do, prompt attention and action must be instituted. Trauma to the external genitalia is always a possibility under natural mating situations... Read More

Article

Find Reproductive Problems

November 01, 2002

Most of us associated with breeding mares and stallions can't wait for the season to end and don't want to think of barren mares and stallions until next year. However, the most opportune time to identify causes of infertility might be missed if... Read More

Article

One More Piece in MRLS Puzzle

November 01, 2002

Researchers at the University of Kentucky Livestock Disease Diagnostic Center (LDDC) have uncovered one more piece in the puzzle that is known as mare reproductive loss syndrome (MRLS). Whatever caused early fetal losses and late-term abortions... Read More