Counting Sperm With a Hemocytometer Counting sperm to determine concentration is an essential part of evaluating or processing semen, and counting sperm with a hemocytometer is a very accurate method when performed correctly. In order to do anything with a reasonable expectation of success when preparing semen for use, one needs to know the raw sperm concentration. There… Read More »
Processing Equine Semen It’s not difficult to correctly process equine (horse) semen for on-farm insemination or shipping, but it is one about which we often receive questions. Here we look at the basic steps behind achieving a good shipment. This article reviews management of a straightforward stallion. Poor quality semen or that with specific issues – although briefly… 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 »
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 »
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 »
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 (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 »
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 »
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 »
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