Breeding and Reproduction

Horse breeding from planning through foal care

Horse Genome Map Complete

The first genome map of a horse is complete, providing scientists with a new set of tools for investigating equine disease, scientists at the Broad Institute, a part of the Massachusetts Institute of Technology, and the National Human Genome

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Herpesvirus: N.Y. Horse Euthanatized

Just days after a false alarm reporting a positive case of equine herpesvirus-1 (EHV-1) in Dutchess County, N.Y., a horse there was euthanatized after showing neurologic signs consistent with EHV-1. Test results confirmed the horse

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Induction of Lactation in the Non-Pregnant Mare

Poor milk production or the loss of a mare in the peripartum period (occurring in the last month of gestation or the first few months after delivery) can jeopardize the health and viability of the foal. To provide the foal with an alternate

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Hormone and Drug Use in the Stallion

Many hormone and drug treatments could have a negative impact on the endocrine system, so it’s best to avoid using them altogether in the breeding stallion. However, Sue M. McDonnell, PhD, Certified AAB, of the University of Pennsylvania’s School

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Systemic Therapy in the High-Risk Mare

Several conditions can threaten pregnancy in the late gestational mare. C.S. Bailey, DVM, who is completing a theriogenology residency at the University of Florida and Hagyard Equine Medical Institute in Lexington, Ky., said some of these

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Reproductive Evaluation of the Stallion

When a veterinarian is considering a stallion’s suitability as a breeding animal, the horse’s history, current physical condition, and libido are just as important as his semen quality.

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Dopamine and Its Evil Twin Ergovaline

In the horse, the hormone dopamine exerts a number of effects through its actions on the pituitary gland. Both dopamine and ergovaline, a dopaminergic agonist (a drug that stimulates dopamine receptors), can significantly impact the mare’s

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New Developments in Stallion Nutrition

Name a part of your horse you’d like to enhance–anything from his coat or hooves to his stamina–and there’s likely a supplement for it. Marketed alongside the products that improve joint function and breathing ability, there are supplements

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Reproductive Field Surgery

Castration and Caslick’s procedures generally come to mind at the mention of reproductive surgeries that can be performed in the field, but Dwayne Rodgerson, DVM, MS, Dipl. ACVS, of Hagyard Equine Medical Institute, says there are plenty of othe

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Equine Viral Arteritis in 2006

Last year was marked by the re-emergence of equine viral arteritis (EVA) on a widespread scale in the United States, with evidence of infection confirmed in 10 states. The occurrence was significant in that it represented the first major incursion

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Overexcited Stallion

I have a stallion that “saucers” (exhibits glans penis enlargement) prior to mounting. Any suggestions?

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Neonatal Nuances

The first days of a foal’s life can be risky; there are a number of things that can go wrong. Some problems can be dealt with easily (such as constipation), while others are life-threatening (such as a ruptured bladder).

In this article, Bonni

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