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Advanced Reproductive Techniques and Their Impacts

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Estrous Cycle

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Suppressing Undesirable Behavior in Mares

Karen Wolfsdorf, DVM, Dipl. ACT October 22, 2024

If a mare’s behavior issues are related to her reproductive cycles, suppressing estrus might help.

Freezing Equine Embryos is Getting More Practical

What Does a First-Time Horse Breeder Need to Know?

Ryan Ferris, DVM, MS, Dipl. ACT January 17, 2019

Equine reproduction specialist Dr. Ryan Ferris explains basics new horse breeders need to know, including mare estrus cycles and selecting fresh vs. frozen semen.

Understanding the Mare’s Transitional Period

Karen Wolfsdorf, DVM, Dipl. ACT April 5, 2016

Find out how light can impact a mares’s ovulatory cycles.

Monday's Top Tweets from the 2015 AAEP Convention

13 Ways to Predict Ovulation in Mares

Alexandra Beckstett April 22, 2015

Horse breeding is only as effective as your ability to predict a mare’s impending ovulation. Here’s how vets do so.

Differences Between Mares and Geldings

Nancy Diehl, VMD, MS March 12, 2015

Dr. Nancy Diehl addresses common behavior differences between mares and geldings and their causes.

AAEP Veterinarians Discuss Estrus Suppression in Mares

Ahmed Tibary, DVM, PhD, Dipl. ACT December 16, 2013

Many owners seek to eliminate estrus behavior when there is a negative effect on the mare’s performance.

2014 UK Equine Showcase, Breeders’ Short Course Scheduled

University of Kentucky College of Agriculture, Food, and Environment October 25, 2013

The events will feature lectures on university programs, equine reproduction, and horse management issues.

USEF Approves Further Investigation Into Depo-Provera Use

Oxytocin Injections to Suppress Estrus in Mares

University of Kentucky College of Agriculture, Food, and Environment October 24, 2013

Oxytocin injections allowed the corpus luteum to keep producing progesterone and the mare to stay out of heat.

Can a Mare's Personality Change After Her First Foal?

Prostaglandins for Controlling Mares’ Estrous Cycles

Erica Larson August 17, 2013

Learn how administering prostaglandins can help breeders improve their mares’ chances of becoming pregnant.

Suppressing Estrus in Mares

Erica Larson November 29, 2012

Most options can lessen the effects of estrus while still allowing mares a second career as a broodmare.

Progesterone Delivery Device Evaluated in Broodmares

Natalie DeFee Mendik, MA October 13, 2012

Researchers found an intravaginal progesterone-releasing device effective in inducing early estrus in mares.

Researchers Study Light's Impact on Young Thoroughbreds

Mobile Blue Light Therapy for Broodmares

Equine Disease Quarterly October 12, 2012

Mobile blue-light therapy is as effective at advancing seasonality as indoor barn lighting.

Hormone Therapy Table Topic (AAEP 2011)

Ahmed Tibary, DVM, PhD, Dipl. ACT December 29, 2011

Topics discussed included induction of ovulation, estrus behavior, and suppression in the performance horse.

NSAIDs for Mating-Induced Endometritis Examined in Mares

Stacey Oke, DVM, MSc March 6, 2010

Non-steroidal anti-inflammatory drugs could assist vets managing persistent mating-induced endometritis (PMIE), a chronic inflammation of the lining of the uterine wall after breeding or artificial insemination, a leading cause of reduced ferti

Virginia Tech Equine Hospital Offers Laparoscopic Ovariectomies

Marion duPont Scott Equine Medical Center February 20, 2010

Combining their surgical expertise with state-of-the-art laparoscopic equipment, veterinary specialists at Virginia Tech’s Marion duPont Scott Equine Medical Center have been able to remove certain mares’ ovaries in a surgical procedure

Unique Attribute of Equine Uterus Impacts Embryo Transfer

Stacey Oke, DVM, MSc January 26, 2009

The equine uterine environment plays an integral role in the early developmental stages of pregnancy, even prior to implantation of the embryo, according to British researchers who recently examined the role of the uterus in