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Supporting Your Horse's Immune System

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Rhodococcus equi Pneumonia: Rethinking Treatment to Fight Resistance
Skill, Science, and Sensitivity: Unpacking Horse Training Misconceptions
Rehabilitating the Neurologic EPM Horse
Building a Balanced Diet for Your Mare and Foal
Joint Health Matters: Top Therapies for a Successful Season
The Abscess Ruptured, But My Horse is Still Lame. Now What?
Understanding Horse Aggression
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Florida Mare Tests Positive for Strangles

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April 9, 2025

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March 20, 2025

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Assisted Reproduction

Subcategories:

Artificial Insemination | Cloning | Cooled & Frozen Semen | Embryo Transfer |

Commercial Equine In Vitro Embryo Production: What to Expect

Alexandra Beckstett March 14, 2020

Factors that contribute to a breeder’s likelihood of getting a live foal using intracytoplasmic sperm injection.

Breeders Invited to Free Broodmare Health Seminar

Top Equine Repro Studies of 2019

Alexandra Beckstett March 13, 2020

Dr. Regina Turner shared her favorite breeding-related studies on topics ranging from foaling prediction to estrus suppression.

lactating mare, broodmare, mare and foal

Small-Scale Success: Responsible Boutique Horse Breeders

Katie Navarra November 15, 2019

Owners and veterinarians involved with two small-scale horse breeding operations share their secrets to success.

Equine Genetics Research Center to Open in Australia

How to Get a Foal From a Performance Mare

Ryan Ferris, DVM, MS, Dipl. ACT August 16, 2019

Is your mare’s competitive career progressing, but you’d like to get a foal from her? Dr. Ryan Ferris gives an overview of how much time a mare needs off training for assisted reproductive techniques, such as embryo transfer.

Changing Trends in Equine Reproduction

Equine Disease Quarterly July 24, 2019

Current horse breeding trends are characterized by a decline in mares bred and a new focus on well-being of established pregnancies, as well as enhanced genetic selection related to the health and future performance of foals.

equine pregnancy rates; Broodmare; tips for feeding late-term broodmares

Equine Pregnancy Rates After In Vitro Embryo Freezing

Christa Lesté-Lasserre, MA June 29, 2019

Given the right conditions, equine embryos produced in a lab using ICSI can lead to pregnancy rates of approximately 70%, researchers say.

Breeding Horses: How to Get Better Pregnancy Rates With Cooled Semen

Katie Navarra May 5, 2019

Researchers identified three ways to help improve pregnancy and foaling rates: breeding mares multiple times in a season, inseminating close to ovulation, and choosing a stallion with progressively motile sperm.

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.

Equine Embryo Transfer Techniques Compared

Christa Lesté-Lasserre, MA October 16, 2018

Researchers identified a 90% pregnancy rate in mares impregnated using the Wilsher embryo transfer technique and a 70% pregnancy rate in mares treated using traditional embryo transfer protocols.

Study: Stem Cells Beat Skin Cells for Cloning Horses

Christa Lesté-Lasserre, MA August 4, 2018

Researchers found that 90% of stem-cell-cloned foals were “completely healthy and normal” at birth, whereas two-thirds of the skin-cell-cloned foals were not.

Assisted Reproductive Technologies for Horses

TheHorse.com May 1, 2018

Where do we go from here? Find out from Charlie Scoggins, DVM, MS, Dipl. ACT, who’s a fertility clinician at Rood & Riddle Equine Hospital in Lexington, Kentucky.

Overcoming Three Embryo Transfer Obstacles

Alexandra Beckstett March 13, 2018

A reproductive specialist describes techniques to help clinicians overcome common challenges in embryo recovery and recipient mare management.

Urine Trouble: Freezing Contaminated Stallion Semen

Alexandra Beckstett January 20, 2018

Ejaculate with less than 20% urine contamination might be suitable for freezing without centrifugation.

Stallion Collection Schedules Affect Mare Pregnancy Rates

Alexandra Beckstett January 19, 2018

This can pose a problem for mare owners working with a limited breeding window due to the short lifespan of the mare’s oocyte and the stallion’s sperm.