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…
Questions Every Mare Owner Should Ask Before Breeding With Frozen Semen
Frozen semen offers many advantages to mare owners but it is important to understand that not all frozen semen is the same. You can achieve excellent results with frozen semen IF the semen is of good quality, is provided in adequate numbers and has been processed, stored and shipped properly. All too often mare owners and Read more…
Three Ways Stallion Owners Can Prevent Unapproved Use of Frozen Semen
As breeding season is coming to a close, many of you may be wondering what you should do about unused doses of frozen semen that remain in the possession of your mare owners and what you should do with returned semen. Stallion owners often express concern that if frozen semen is sold as part of a 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…
What is Progressive Motility?
The most commonly used measure of semen quality is sperm motility, specifically “progressive motility”. But what exactly does that mean and how is it determined? The minimum post-thaw “progressive motility” generally recommended for commercial distribution of frozen semen is 30% to 35%. This article will address some of the factors that can affect the assessment Read more…
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