Canadian Equine Viral Arteritis! There has been an EVA outbreak in Canada reported in Prince Edward Island. Equine Viral Arteritis is predominantly a respiratory disease, which has reproductive implications. Symptoms vary dramatically from none (“asymptomatic”) to a wide variety which may present as any combination of the following: elevated temperature, depression, loss of appetite. Affected animals may also… Read More »
The Badly Behaved Gelding – Hormonally Driven or Not? “That is a badly behaved gelding – he must be ‘proud cut’” or “I bet they left some testicular tissue in that badly behaved gelding” are two not infrequently-heard comments, or variations thereof, but how often is residual stallion-like or bad behaviour in a castrated stallion actually hormonally-driven? Omyla… 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 »
Horse Breeding Short Courses and Tuition from Equine-Reproduction.com Imitated by some – duplicated by none! These courses are considered by many to be the most complete single equine reproduction short course and tuition available. 2026 Course Dates to be Announced Shortly! 2026 Spring Equine Reproduction Short Courses are Now Completed! Please check out our one-on-one individual tuition program!… Read More »
Bacterial Infection of a Stallion’s Reproductive Tract – A case report of the bacterial infection of a stallion’s reproductive tract with images and outcome… A bacterial infection of a stallion’s reproductive tract is comparatively rare. When present, one of the first indicators is often the condition of the semen, or in the case of live cover where semen… Read More »
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 »
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 »
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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