Horse owners and breeders are continually on the lookout for ways to help improve their mares’ chances of becoming pregnant. One way that veterinarians are able to help is by administering prostaglandins.1 There are several forms of prostaglandin …

Mares are seasonally polyestrus; this means that they experience regular estrus cycles during late Spring, Summer and early Fall, with none occurring during the Winter. The typical mare cycles regularly between March and October, with each estrou …