Category Archives: Uncategorized

CEM Identified in Florida

Posted: | May 29, 2024

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 »

ISER XIII Snippets

Posted: | November 4, 2023

ISER XIII Presentation Summaries Following the attendance of our lead lecturer to the 13th International Symposium on Equine Reproduction, we are pleased to be able to provide ISER XIII presentation summaries of some of the presentations which have immediate clinical relevance. At, LLC we have long been proponents of getting the research data into the hands (and… Read More »

EVA Outbreak in Canada

Posted: | September 22, 2023

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 »

United Kingdom Artervac Delay

Posted: | August 3, 2023

United Kingdom: Equip Artervac (vaccine) Supply – Further Delay On 10th July 2023 Zoetis updated EIDS that the anticipated resupply of a new batch of Equip Artervac equine arteritis virus (EAV) vaccine, which had been due by the end of September 2023, had regrettably been delayed until December 2023. Stallion owners and their veterinary surgeons should be reminded… Read More »


Posted: | July 19, 2023

ISER XIII Declared a Success! To say that ISER XIII was declared a success is perhaps an understatement! The quadrennial meeting of leading equine reproductive veterinarians, researchers and animal scientists took place July 10-14, 2023 in Foz do Iguaçu, Brazil – admittedly delayed by a year due to COVID – and saw almost 400 participants arriving from all… Read More »

Our Lead Lecturer to Attend ISER

Posted: | July 1, 2023

We are pleased to announce that our lead lecturer, Jos Mottershead, has been invited to, and will attend, the International Symposium on Equine Reproduction – ISER – as a delegate. This symposium is held every 4 years (although this meeting was delayed by COVID) in different locations around the world. It is an invitation-only meeting of world leaders… Read More »

Words To Lose!

Posted: | April 15, 2023

When lecturing on equine reproduction our lead lecturer Jos Mottershead often comments that there are several words to lose in order to avoid confusion and – plainly – being incorrect. The words he always cites are “never” and “always”, because the moment that one uses those words, invariably someone in the audience comes up with a situation which… Read More »

PolSKI a Success!

Posted: | February 8, 2023

The first annual PolSKI equine reproduction CPD course, held recently in Szczyrk, Poland was considered a success by all attendees. With a well-rounded collection of equine reproduction “notables” as speakers on a variety of cutting-edge topics and research, the lectures were offset by a healthy level of relaxation in the form of daily skiing and other extra-curricular activities… Read More »

Equine Viral Arteritis (EVA) Article Updated

Posted: | January 14, 2023

Equine Viral Arteritis (EVA) Article Update Following the USA’s multi-state outbreak of Equine Viral Arteritis (EVA) in 2006, Jos Mottershead and Kathy St. Martin of, LLC wrote an article about the virus with world-renowned expert on the subject Dr. Peter Timoney. The article became recognized as a reliable source written in plain language, which helped both disseminate… Read More »

How Prevalent is Drug Use in Equine Reproduction?

Posted: | November 20, 2022

How Prevalent is Drug Use in Equine Reproduction? An interesting retrospective study on drug use in equine reproduction that looks at a wide variety of drugs being used in breeding and pregnancy situations on seven Irish and UK Thoroughbred breeding farms has been published (Descriptive Study of Medication Usage and Occurrence of Mouncey R, Arango-Sabogal JC, de Mestre… Read More »