How to Predict Foaling
Heather Smith Thomas
February 28, 2026
When will your mare foal? Learn the signs of impending foaling and what prognostic tools can help.
When will your mare foal? Learn the signs of impending foaling and what prognostic tools can help.
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.
Ensure your decision to breed is the right one and that you’re prepared to handle the costs and commitments involved.
Age can affect a stallion’s fertility and his ability to settle mares. Reproduction specialist Dr. Ryan Ferris explains.
Are you wondering when your pregnant mare will foal? Use our Mare Gestation Calculator to estimate her foaling date!
Five clues she’s not ready to breed on the first heat after foaling, along with principles to follow if she is.
What would be the best plan for handling a foal whose dam is being covered by a stallion?
One researcher describes what we know about the receiving mare’s effect on the foal in embryo transfer scenarios.
Owners and veterinarians involved with two small-scale horse breeding operations share their secrets to success.
Get your questions answered about breeding mares and stallions and producing top-quality, healthy foals during our live Q&A. We cover everything from selecting the right parents to gestational care to ensuring your foal’s safe delivery.
Equine reproduction specialist Dr. Ryan Ferris explains basics new horse breeders need to know, including mare estrus cycles and selecting fresh vs. frozen semen.
Selective breeding has led to a Thoroughbred uniquely adapted to modern racing’s demands. But it’s also led to inbreeding, and with that has come some less favorable genetic issues.
Scientists are continuing to uncover which genes are responsible for certain traits in horses.
Research is offering more insight into inherited diseases and conditions in our horses. Learn more about HYPP, PSSM, overo lethal white syndrome, lavender foal syndrome, HERDA, SCID, and more.
Is your stallion expected to perform in both the breeding shed and the arena? Here’s what you need to know.
Have a vet ensure your foal is developing well and your mare is ready for her next mating at her foal heat.
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