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Colic in Pregnant Mares
The Mysterious Fever of Unknown Origin
Navigating the Mysteries of Gray Horse Melanoma
Infographic: Feeding Hard-Keeper Horses
From Too Fat to Too Thin to Just Right
Longeing Do’s and Don’ts
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Failure of Passive Transfer

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September 26, 2024

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June 25, 2024

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Mare Fertility

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Feeding Broodmares During Late Gestation

How to Reduce Early Embryonic Loss in Horses

Karen Hopper Usher May 17, 2024

Discover what could cause mares to lose a pregnancy and how veterinarians might treat it.

Improving Equine Fertility

Lucile Vigouroux May 15, 2024

To shed light on the fertility troubles many breeders encounter, two theriogenologists have shared 7 practical tips centered around getting a mare in foal.

how mare immune systems respond to breeding

6 Questions About Treating Problem Broodmares

Karen Hopper Usher May 7, 2024

When should veterinarians use kerosene in broodmares? How should they administer it? Two equine reproduction experts answer these questions and more.

Breeding Aging Mares

Christa Lesté-Lasserre, MA December 30, 2023

How to decide if your older mare is a good candidate for breeding and improve her chances of success. Read more in this article from the Winter 2023 issue of The Horse.

Breeding Older Mares

Maureen Blaney Flietner December 14, 2023

Are you thinking about breeding an older mare? There are steps—some simple, some cutting-edge—breeders can take to obtain foals from mares with waning fertility.

How to Manage Persistent Post-Mating-Induced Endometritis

Breeding Soundness Exams for Him and Her

Lindsay J. Warner February 8, 2023

Both the stallion and mare must be in good health and fertility before you even attempt to produce a foal.

Dechra Sponsors Equine Fertility Awareness Week

Michelle Anderson March 7, 2022

Learn about horse breeding and fertility March 7-12, 2022, on TheHorse.com.

10 Tips for Improving Mare Fertility

The Horse Staff February 18, 2022

Use this visual guide to maximize your mares’ chances of conception and a healthy pregnancy. Sponsored by Sucromate Equine.

What’s Plaguing Your ‘Problem Mare’?

Heather Smith Thomas January 17, 2021

Most mares get pregnant without major problems, but some encounter difficulties along the way. Here’s how to work with your veterinarian to resolve the most common issues.

detecting twins in horses; Infertility With No Cause? Try Hydrotubation of the Oviducts

How to Be a Vigilant Broodmare Owner

Christa Lesté-Lasserre, MA January 12, 2021

Serious complications are uncommon in equine pregnancies, but when they occur the consequences can be devastating. Here are 6 high-risk scenarios to watch for.

The One-Hour Solution to Improved Equine Pregnancy Rates

Betsy Lynch December 18, 2020

Studies support DHAI combined with uterine lavage one hour after insemination as a useful approach for helping settle problem mares.

Diet Might Improve Older Mare Fertility

Betsy Lynch January 24, 2020

A fatty-acid- and antioxidant-rich supplement approach allowed oocytes to mature and metabolize energy more efficiently.

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.

What is a Caslick and Why Do Some Mares Get Them?

Ryan Ferris, DVM, MS, Dipl. ACT August 15, 2019

Dr. Ryan Ferris explains the purpose of using Caslick’s on certain mares and how they can improve mare fertility.

New Hormone Therapy to Enhance Fertility in Mares

Alexandra Beckstett August 15, 2019

A researcher shares how using recombinant equine gonadotropins can support advanced reproductive technologies in horses.

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.