FAILURE TO CYCLE

Courtesy of America’s Horse Daily
Your mare might not show heat for one of these reasons. Mares are seasonal breeders and if housed under natural light conditions typically begin to cycle in April or May.

Housing mares under an artificial photoperiod regimen beginning in early December will significantly advance the first ovulation of the year.

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MARES IN LAST 90 DAYS OF GESTATION

Courtesy of Penn State Extension

The mare in late gestation differs nutritionally from the open mare. Her nutrient requirements are slightly higher because she is maintaining her body and supplying nutrients to a rapidly growing fetus.

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Outcross Possibilities

Equine specialist veterinarian, AQHA breeder and former president of the Florida Quarter Horse Racing Association Steve Fisch knows the importance of the outcross in his breeding practices.

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Ask the Vet: Broodmare Practices for the Healthy and Subfertile Mare

Question: Can pasturing one gelding with a group of mares stimulate them to come into heat? Answer: When addressing heat (AKA estrus) in mares there are two broad categories: 1) estrus induction (AKA manipulation) and 2) estrus detection.

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