Informative Articles

Management of Twins in the Mare

The establishment and loss of twins, often results in a mare that is barren for a year and the associated economic loss.  The incidence of twin births has been documented as occurring in 1-2% of the equine population with twinning accounting for 6-30% of abortions in the mare. When twins are present, gestation proceeds normally Read more…

Harvesting and Freezing of Equine Epididymal Sperm

The sudden death of a stallion is a devastating event, not just emotionally, but potentially financially as well. In addition to any competitive goals the stallion was working towards, his untimely death may mean the loss of future breedings. In this situation it may be possible to harvest and freeze epididymal sperm by castrating the stallion Read more…

Care of the Newborn Foal

What transpires in the first 24 to 48 hours of a foal’s life is critical to his health and well-being from early life and up through weaning. As a foaling attendant there are several “milestones” to keep in mind as you watch the behavior of both the baby and the mare post-foaling. In this article we Read more…

Breeding Strategies for Mares Inseminated with Frozen Semen

Timed artificial insemination (AI), programmed AI, one dose, two doses, deep horn insemination…what’s best for your mare?  With the increased use of frozen semen and the trend towards commodity sales (by the dose with no guarantee) veterinarians have developed a variety of strategies when managing mares being bred with frozen semen.  In this article, we Read more…

Should Frozen-Thawed Semen Be Diluted Prior to Insemination?

For veterinarians and technicians accustomed to inseminating fresh or cooled semen in large (20-60 ml) volumes, the idea of inseminating 0.5 to 4 ml of thawed frozen semen can be intimidating.  During processing, frozen semen is concentrated by centrifugation and is typically packaged in small 0.5 ml straws at a sperm concentration that is often Read more…

Frozen Semen – Sell by the Dose or as a Breeding?

For some breeds of horses, the most popular choice for marketing frozen semen is to sell by the dose. The mare owner pays in advance for each dose of semen and typically there is no live foal guarantee.This is often the case for imported frozen semen from Warmblood sport horse stallions standing in Europe. However, Read more…

Contract Considerations for Stallion Owners

Breeding season is upon us and hopefully the phone has been ringing off the hook with mare owners interested in breeding to your stallion. Now is a great time to review and update your frozen semen contracts. We are here to make it easier for you! We have prepared contract templates for either selling frozen semen Read more…

What is a Dose of Frozen Semen?

Is a dose a breeding? Is a straw a dose? How many straws in a dose? How many sperm in a dose? These are often questions we hear from our clients when purchasing or using frozen semen. There is so much variability in the format of doses sold throughout the world that it can be Read more…