Category Archives: general


Posted: | August 6, 2023

ISER XIII “Snippets” – Held in Brazil in August 2023, ISER XIII produced a variety of useful research with immediate clinical value, here we review some of the presentations The thirteenth International Symposium on Equine Reproduction (ISER XIII) was held in Foz do Iguaçu, Brazil between July 10th–14th, 2023. Around 400 veterinarians, researchers and animal scientists were present,… Read More »

Website Update

Posted: | December 5, 2021

We are pleased to be able to announce a complete website update of the website! It’s been a while in the making, but we’ve updated the site to a mobile-friendly format. With more and more people using mobile devices of one sort or another, we knew it was time for a website update, as even though the… Read More »

Horse Breeding Ethics

Posted: | October 31, 2021

The Ethics of Breeding – More than a popularity contest – This older article discussing horse breeding ethics, while written many years ago still holds true today and is worthy of consideration By Jos Mottershead Printed in: Atlantic Horse and Pony, February 1990: “She’s not grown as much as I thought she would”. How many times have people… Read More »

Contagious Equine Metritis – CEM

Posted: | October 31, 2021

Contagious Equine Metritis (CEM) – A notifiable disease, Contagious Equine Metritis poses a significant threat for domestic breeders and international trade. By Jos Mottershead and Kathy St. Martin History In the spring of 1977 a previously unidentified genital infection of the equine was observed in the United Kingdom and Ireland in Thoroughbreds. Mares were being found not pregnant… Read More »

Frozen Equine Semen – An Overview

Posted: | October 30, 2021

Frozen Equine Semen – An Overview – Some horse breeders are unsure about the use of frozen equine semen. In this overview, we offer some of the pros and cons. Written and presented at the ApHC 2001 World Show, Fort Worth, Texas by Jos Mottershead (with later updates in red) Frozen equine semen advantages include: There are no… Read More »

Mules – The First Cloned Equids

Posted: | October 26, 2021

Cloned Mule Birth! First Successfully Cloned Equid – Our team was the first to break the news of the U-Idaho’s first successfully cloned equid to the world By Kathy St.Martin and Jos Mottershead In 2001, Don Jacklin’s prize mule, Taz, was making his mark in history by beating the best racing mules at the California State Fair. While… Read More »

AI use in the TB industry

Posted: | October 24, 2021

The question of AI use in the TB industry – a viewpoint – Here we offer some support for the use of AI and refute some of the common reasons often offered against the use By Jos Mottershead That the TB industry is still so vehemently opposed to the use of AI continues to be a source of… Read More »

Horse Lovers

Posted: | October 24, 2021

And They Call Us Horse Lovers – Dr. Robert Miller explores the concept in more detail, with some surprising conclusions! By Robert M. Miller, DVM The Nation was shocked when Barbaro broke down shortly after leaving the gate at the Preakness. I saw the repaired fractures in TIME magazine. What I think happened is that the sesamoid bone… Read More »

Equine Viral Arteritis Factfile

Posted: | October 22, 2021

Equine Viral Arteritis (EVA) – A summary of information about a disease with reproductive implications. This equine viral arteritis factfile shoots down some myths. There are many myths and much misinformation surrounding the disease equine viral arteritis (EVA). Here we present a list of facts in an attempt to assist in clarification and education for the breeding public.… Read More »

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 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 »