Mares in Heat: What’s Normal, What’s Not?
Karen Hopper Usher
May 4, 2025
Mares get a bad rap for recalcitrant estrous behavior, but hormones and tumors could also be at play.
Mares get a bad rap for recalcitrant estrous behavior, but hormones and tumors could also be at play.
Post-foaling, this type of colic can be life-threatening to broodmares and their foals.
How to decide if your older mare is a good candidate for breeding and improve her chances of success.
How to ensure the late-gestation mare is getting enough nutrients to meet both her needs and those of the developing fetus.
Take a closer look at what’s new in assisted equine reproduction and what that means for horses and humans in this article from The Horse‘s Research Roundup issue.
Late in pregnancy, mares’ abdominal space is limited, and they can experience colic. Learn more in the Winter 2024 issue of The Horse.
If a mare’s behavior issues are related to her reproductive cycles, suppressing estrus might help.
Keep your broodmare at a healthy weight to help ensure her and her foal’s safety during gestation and foaling.
The final 100 days of gestation bring their own unique developments, changes, and challenges. Get tips to help your mare’s third trimester run smoothly.
Recognize the important role progesterone plays in breeding a mare and the resulting pregnancy. Sponsored by Sidekick Animal Health.
Vegetable- and marine-based sources can provide your horse with essential omega-3 fatty acids. Consider these factors when choosing an omega-3 supplement for your horse.
Should broodmares be dewormed before giving birth? An equine reproduction specialist responds.
An equine veterinary podiatrist says ice might help address this horse’s foot pain but won’t solve the main problem.
Discover how to properly condition your mare before, during, and after her pregnancy.
Learn about 5 complications veterinarians might encounter toward the end of a mare’s gestation.
Equip your mare with the nutrition, vaccines, fitness, and foaling environment she needs to
promote a successful parturition and a healthy foal. Sponsored by Equidone.
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