Timing Protocol Modification for Frozen Semen Insemination in Mares There are in use a variety of protocols for frozen semen insemination. This research compares the results from several currently used with those from a new timing protocol. Background: There is a growing demand for use of frozen semen in equine artificial insemination practices Classic protocols rely on time-intensive… Read More »
Comparing DNA Damage Assays in Equine Sperm Preservation Background & Purpose Preserving sperm DNA integrity is critical for successful equine assisted reproduction. While low-temperature storage is traditional, above-15°C methods have emerged to reduce cold shock damage. Oxidative stress during any preservation method can cause DNA damage. This study compared the sensitivity of two DNA damage assays — the… Read More »
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 »
We are pleased to be able to announce a complete website update of the Equine-Reproduction.com 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 »
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) – 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 – 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 »
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 »
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 »
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 »
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