We will nearly always perform a breeding soundness examination on a mare prior to breeding. What is a breeding soundness examination? Image A breeding soundness examination (BSE) is performed on the mare to determine a mare’s suitability as a broodmare and to identify any potential causes of sub/infertility. Certain parts of the examination are routinely performed during the breeding season as part of the monitoring of the appropriate breeding time in normal mares. Some indications for a BSE are: age >12 years of age exam before undertaking expensive AI/ET program repeat breeder (not conceiving) repeated early embryonic death problem foaling history of endometritis/metritis pre-purchase examination of a breeding mare How often will my mare be in season? To explain this, here are some definitions for the terms we use to describe your mare's cycle. 19 - 24, average 21 days 4 - 9, average 6 days 12 - 16, average 15 days This article was published on 2024-09-02