CEM Identified in Florida “A mare in Florida (FL) has been confirmed culture positive by the USDA APHIS National Veterinary Services Laboratories (NVSL) for Taylorella equigenitalis, the bacterium that causes contagious equine metritis (CEM). The affected mare, the breeding stallion, and one other mare are under quarantine. A comprehensive epidemiological investigation is being conducted including traceback and history… Read More »
Does Maternal Exposure to Blue Light Affect Foal Development at Maturity? Because humans like to try and defy nature – January 1st being the “birthday” in the northern hemisphere, and only marginally better August 1st in the southern – we are often attempting to force earlier onset of cyclicity in the seasonally anestrus mare using lighting programs. Several… Read More »
Does Routine Monitoring for EVA Make a Difference? With the announcement this week of an outbreak of equine viral arteritis in PEI in Canada, a very reasonable question to ask is “does routine monitoring for EVA make a difference?” At the recent ISER meeting in Brazil, Kaps et al. reviewed the effects of monitoring and management practices on… Read More »
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. 2024 Course Dates to be Announced Shortly! 2024 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 »
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