Recent News for Breeding and Reproduction

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

Article

Chronic Uterine Torsion in Mares

November 01, 2002

In late pregnancy, mares are susceptible to a dangerous complication called uterine torsion. Accounting for 5-10% of obstetrical emergencies, twisting of the uterus can be fatal to fetus and mare if left untreated. The hallmark of acute uterine... Read More

Article

Foal Sex Selection

November 01, 2002

Sex selection of foals prior to conception is highly desirable for horse breeders. Currently, sperm can be sorted by their X and Y chromosomes, improving odds of sex selection through artificial insemination. Flow cytometry measures DNA in cells... Read More

Article

Breeding Soundness Exam of the Mare

November 01, 2002

Horse breeding is a time-consuming and expensive business. Therefore, horse breeders must be able to assess the likelihood of a mare being able to conceive, carry a fetus through a pregnancy, and deliver a live foal. While unforeseen problems ca... Read More

Article

Foaling Alarms--Expecting Company?

November 01, 2002

There are several types of foaling alarms available. They are designed to notify the person responsible (owner, farm manager, or foaling attendant) that the mare is in labor. ... Read More

Article

The Body's Building Blocks

November 01, 2002

Like a structure made of tinker toys, protein is composed of smaller pieces--the amino acids. These can be rearranged to form the different types of protein-based tissues in the body. Protein is one of the basic nutrient elements of the equine... Read More

Article

Environmental Effects on Hormone Activity

October 31, 2002

Some compounds present in the environment, both from natural and man-made sources, can disrupt the delicate hormone balance necessary for reproduction in several species possibly including horses, according to Cynthia Corbitt Gulledge, PhD, of... Read More

Article

Bluegrass Equine Reproduction Symposium: Stallions

October 30, 2002

A four-day seminar focusing on reproduction education for veterinarians was hosted by Hagyard-Davidson-McGee veterinary firm in Lexington, Ky., Oct. 23-26 This is the fifth year for a fall seminar hosted by the group, which now alternates with a... Read More

Article

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