Bluegrass Equine Reproduction Symposium

Article

Hormone and Drug Use in the Stallion

February 01, 2007

Many hormone and drug treatments could have a negative impact on the endocrine system, so it's best to avoid using them altogether in the breeding stallion. However, Sue M. McDonnell, PhD, Certified AAB, of the University of Pennsylvania's School... Read More

Article

Reproductive Evaluation of the Stallion

February 01, 2007

When a veterinarian is considering a stallion's suitability as a breeding animal, the horse's history, current physical condition, and libido are just as important as his semen quality.... Read More

Article

New Developments in Stallion Nutrition

February 01, 2007

Name a part of your horse you'd like to enhance--anything from his coat or hooves to his stamina--and there's likely a supplement for it. Marketed alongside the products that improve joint function and breathing ability, there are supplements... Read More

Article

Reducing Breeding-Induced Endometritis by Simplifying Management?

February 01, 2007

Modern breeding management and assisted reproduction might actually exacerbate the issue of mating-induced endometritis, according to Mats Troedsson, DVM, PhD, Dipl. ACT, a professor of equine theriogenology in the Department of Large Animal Clinical... Read More

Article

Acupuncture Use in the Treatment of Reproductive Disorders

February 01, 2007

Acupuncture can be used in conjunction with Western medicine prior to breeding to treat anestrus (period of sexual inactivity), excessive behavioral estrus, retained corpus luteum (an ovarian follicle after discharge of the egg that secretes... Read More

Article

Diagnosis, Management, and Diagnostic Investigation of Abortion

February 01, 2007

Careful management of pregnant mares and preparation for parturition is essential to help prevent cases of equine abortion--losses of pregnancy between 150-300 days of gestation. "The incidence of abortion in mares ranges from 5-15%, and this ha... Read More

Article

Immunostimulant Helps Mares with Endometritis Maintain Pregnancy

February 01, 2007

"Post-breeding endometritis is a major cause of subfertility, affecting approximately 15% of mares," said John Steiner, DVM, Dipl. ACT, of Hagyard Equine Medical Institute. "We know it's a big problem, so we've tried an adjunct treatment to see... Read More

Article

Another Approach to Equine Castration

February 01, 2007

The use of the Stone Henderson Equine Castration Instrument, which allows veterinarians to geld colts using an attachment on a battery-powered drill, has gained speed since its debut at the 2005 American Association of Equine Practitioners'... Read More

Article

New Twin Reduction Procedure

February 01, 2007

"We know that twinning has a profound impact on the mare," said Karen Wolfsdorf, DVM, Dipl. ACT, of Hagyard Equine Medical Institute. "The presence of twins post-fixation (after the embryonic vesicle becomes stationary on about the 16th day after... Read More

Article

Postpartum Complications in the Mare

February 01, 2007

If your mare experiences complications following foaling, it's important to note when they arise, said Walter Zent, DVM, a veterinarian at Hagyard Equine Medical Institute in Lexington, Ky., in his presentation at the 2006 Hagyard Bluegrass... Read More

Article

Buserelin Use in the Anestrus Mare

February 01, 2007

A compounded drug has shown considerable promise in treating anestrus mares--those that are not cycling and thus are difficult to impregnate. Walter Zent, DVM, of Hagyard Equine Medical Institute, described his experience using Buserelin in mare... Read More

Article

Fetal Sex Determination in the Mare Between 90 and 150 Days

February 01, 2007

Accurate determination of fetal sex can have a profound impact on the broodmare management practices of horse owners and breeders. While the gender of a foal influences its value, it also influences the value of the gravid (pregnant) mare.... Read More

Article

Induction of Lactation in the Non-Pregnant Mare

February 01, 2007

Poor milk production or the loss of a mare in the peripartum period (occurring in the last month of gestation or the first few months after delivery) can jeopardize the health and viability of the foal. To provide the foal with an alternate... Read More

Article

Systemic Therapy in the High-Risk Mare

February 01, 2007

Several conditions can threaten pregnancy in the late gestational mare. C.S. Bailey, DVM, who is completing a theriogenology residency at the University of Florida and Hagyard Equine Medical Institute in Lexington, Ky., said some of these... Read More

Article

Dopamine and Its Evil Twin Ergovaline

February 01, 2007

In the horse, the hormone dopamine exerts a number of effects through its actions on the pituitary gland. Both dopamine and ergovaline, a dopaminergic agonist (a drug that stimulates dopamine receptors), can significantly impact the mare's... Read More

Article

Reproductive Field Surgery

February 01, 2007

Castration and Caslick's procedures generally come to mind at the mention of reproductive surgeries that can be performed in the field, but Dwayne Rodgerson, DVM, MS, Dipl. ACVS, of Hagyard Equine Medical Institute, says there are plenty of othe... Read More

Article

Misplaced Nail on Thoroughbred Mare: Case Study

April 14, 2003

A mare in excellent physical condition suddenly turns lame after a reset of commonly used shoes. ... 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

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

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

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