Category Archives: laboratory (stallion)

Centrifugation – Tips, Techniques and Calculations

Posted: | May 24, 2022

Centrifugation of Stallion Semen – Tips and tricks for centrifugation of stallion semen, with a G-rate (RCF) calculator. Why centrifuge semen? See this article! By Jos Mottershead Why Centrifuge Semen? There are a number of reasons why one would choose to centrifuge stallion semen other than the obvious reasons such as during preparation prior to freezing. One of… Read More: Centrifugation – Tips, Techniques and Calculations »

Equine Viral Arteritis

Posted: | October 22, 2021

Equine Viral Arteritis (EVA) – a detailed and descriptive article about equine viral arteritis (EVA), a disease which has severe negative reproductive implications. By: Kathy St.Martina, Jos Mottersheada, Dr. Peter Timoneyb aEquine-Reproduction.com LLC, Wynnewood, OK 73098, USA; bDepartment of Veterinary Science, Gluck Equine Research Center, College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY 40546, USA… Read More: Equine Viral Arteritis »

Warming Semen in the Field

Posted: | January 31, 2021

Constructing An Emergency Slide Warmer – Sometimes lab equipment may not be available, so one has to become inventive. An emergency slide warmer is one such piece of equipment! By Jos Mottershead Sometimes lab equipment may not be available, so one has to become inventive. An emergency slide warmer is one such piece of equipment! Easily constructed –… Read More: Warming Semen in the Field »

Individual Tuition

Posted: | December 17, 2020

One-on-one Horse Breeding Training While we are renowned for offering short courses on the subject of horse breeding worldwide, we not infrequently encounter people either at the courses or through our website who are in need of more specific one-on-one horse breeding training. Perhaps they do not own stallions but want to learn more about the reproductive aspects… Read More: Individual Tuition »

You’re Ready to Breed Your Mare – But is the Semen OK?

Posted: | December 15, 2020

The Semen Looked Bad – Or Is It? Maybe not as bad as you think! A review of what constitutes a cooled semen dose, looking at some newer research and older dogma. By Jos Mottershead and Kathy St. Martin During the course of the breeding season – especially on the EquineRepro Facebook Group that we manage – we… Read More: You’re Ready to Breed Your Mare – But is the… »

Extender Evaluation

Posted: | November 2, 2020

Cooled Semen Extender Evaluation Service Facts about cooled semen extenders and your stallion Not all stallions have sperm that will respond the same to all extenders; Not only do different extenders have different ingredients, but there can be a difference in the response you see from your stallion’s sperm to different antibiotics used within those extenders! There is… Read More: Extender Evaluation »