Choosing a stallion for your mare: the essentials

Choosing a stallion for your mare comes down to the health of both animals, a good match in conformation and genetics, and clear breeding goals. A good choice is prepared well in advance, not on the day of covering. Taking time to examine these points reduces the risk of disappointment and improves your chances of a healthy foal that suits you.

Set your goals first

Before you look through stallion catalogues, be clear about what you expect from the foal. A calm leisure horse, a sport horse with jumping potential or a draught horse for work do not call for the same criteria. Note your mare’s experience, age, breeding history and any stud-book requirements.

This step stops you from being swayed only by an impressive competition record or a beautiful photo. The stallion should complement the mare, neither duplicate her nor contradict her completely. Write down your priorities: desired adult height, type of gaits, temperament, main use. They act as a filter when you compare several stallions.

Health and fertility

The stallion’s health is non-negotiable. Ask for a recent veterinary report: clinical examination, blood tests, screening for contagious diseases and, ideally, a semen evaluation. A fertile, healthy stallion reduces the risks for the mare and the foal.

For the mare, a reproductive examination before the season is just as useful. It can reveal problems that might compromise a pregnancy. Only your vet can interpret these results correctly and suggest a suitable timetable. Feel free to ask for written results and to have your own vet review them if needed.

Genetic tests and hereditary diseases

Depending on the breed, some tests are recommended or required by the stud-book. They concern known diseases or genetic traits. Check the official requirements for the breed concerned and don’t settle for verbal assurances. A negative result on a compulsory test is the minimum. Stud-books generally publish the list of required tests; consult it directly.

Swiss stud-books

In Switzerland each breed is managed by its own stud-book, for example the Franches-Montagnes (Freiberger) or the Swiss sport horse (CH-Sportpferd). Each publishes its rules: conditions for approving stallions, breeding rules, permitted crosses and foal registration. If you want the foal entered in a stud-book, check before covering that the stallion is approved by it.

Conformation and complementarity

Look at the mare and the stallion side by side if you can, or compare photos and accurate measurements. Aim for balance: a stallion that is too heavy for a fine mare can produce a foal that is hard to manage; the reverse may lack substance.

Look at the legs and their alignment, the quality of the limbs, the topline and the type of head. A good match improves on the mare’s weak points without creating new imbalances. Breed judges and experienced breeders often see what an untrained eye misses. If you can attend a presentation or ask for videos of the stallion moving, so much the better.

Temperament and use

Temperament is partly inherited. A calm, cooperative stallion is an asset if you want a leisure or family horse. A livelier stallion can suit a sporting goal, provided the mare brings stability.

Find out how the stallion behaves day to day, not only at presentations. Stallions that live in a group or are ridden regularly often give more reliable clues than those only shown in hand. Ask how he behaves when groomed, transported or faced with something new.

Practical aspects of covering

Covering can be done in hand, at liberty or by artificial insemination, depending on the breed rules and your preferences. Each method has its constraints: the stallion’s availability, transporting the mare, costs and veterinary follow-up. Find out early about the terms and availability. Artificial insemination sometimes makes the logistics easier but requires precise technical follow-up.

After covering, monitoring the mare (scans, hormone tests) is recommended to confirm pregnancy and act quickly if there is a problem. Your vet remains central at this stage. Plan the following season too if you would like a foal every year.

Common mistakes to avoid

• Choosing on competition record alone without looking at the mare’s conformation.
• Neglecting the stallion’s health check.
• Leaving the covering arrangements to the last minute.
• Ignoring the stud-book’s rules on permitted crosses.

Breeding is prepared over several months, not in a few days. Compare several stallions and cross-check the information: a well-considered choice gives you a better chance of a healthy foal that meets your expectations.

To discover the farm’s breeding work, see the breeding and stallions pages. Thinking about a particular cross or how to prepare a mare? Let’s talk through the contact page.