Theory of the maternal grandsire effect
For many years horse owners and breeders have witnessed a phenomenon known as the maternal grandsire effect.
Category: Mare
The overdue mare
Dr. Patrick McCue
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January 23, 2024
Mare carried for 385 days – 45 more than average. The tiny foal eventually developed into a robust athletic reining horse.
Prediction of Foaling and Normal Foaling
Equine Reproduction Laboratory
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December 1, 2022
Overview of the foaling process, including recommendations for supplies to include in a foaling kit.
When to bring your mare in for breeding work
Equine Reproduction Laboratory
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December 13, 2022
The question of when to set up an initial appointment for a reproductive evaluation and subsequent monitoring of the estrous cycle of a mare depends on several factors.
Putting a mare under lights
Equine Reproduction Laboratory
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December 13, 2022
Housing mares under lights will stimulate the mare to develop follicles and ovulate earlier in the year than mares maintained under natural or light conditions.
Starting a breeding program with your mare
Equine Reproduction Laboratory
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December 13, 2022
An overview of the mare breeding process with fresh semen, cool-transported semen, and frozen semen.
Mare Breeding Management
Equine Reproduction Laboratory
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December 13, 2022
Mares may be bred by natural cover or artificial insemination, depending on breed registry regulations, preference of the stallion owner and/or mare owner, location and availability of the stallion and mare, cost, safety concerns, experience of personnel, and other factors.
Twin Management
Equine Reproduction Laboratory
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November 16, 2022
Twins are a significant cause of reduced reproductive efficiency in the mare and may result in early pregnancy loss, abortion, stillbirth, or early neonatal death.
Equine Viral Arteritis
Equine Reproduction Laboratory
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November 16, 2022
Equine viral arteritis is a contagious disease of equids caused by equine arteritis virus.
Why are some pregnant mares administered progesterone?
Equine Reproduction Laboratory
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December 13, 2022
Progesterone is the key hormone responsible for maintaining pregnancy in all mammals, including horses.