Study confirms Hendra vaccine doesn’t affect racing performance

A world-first study led by the University of Sydney has confirmed vaccination against the deadly Hendra virus does not affect the racing performance of thoroughbred horses.

The extensive study—which is published in the Australian Veterinary Journal—examined the Timeform rating of 1,154 thoroughbreds over 12,066 race starts and assessed their performance one and three months before and after vaccination, with no difference in form detected.

Timeform rating is an established measure of a horse’s performance in a race that takes into account how the race was run and where the horse finished.

“The Queensland Racing Integrity Commission (QRIC) funded the groundbreaking study so industry regulators and participants can base their decisions on accurate information and science rather than rumour and speculation,” commissioner Ross Barnett explained.

Associate Professor Navneet Dhand, who led the research team at the Sydney School of Veterinary Science, said: “This is one of the largest studies of its kind conducted to investigate the effect of any vaccine on horse racing performance anywhere in the world.”

“Analysing the performance of each horse before and after vaccination over a short time period was the best way to assess the impact of vaccination as each horse acted as its own control,” lead author Dr Kathrin Schemann added.

QRIC’s chief vet Dr Martin Lenz said many factors could potentially affect the performance of racehorses, so it was important for the study to be large enough to distil out any impact that vaccination might have.

“The large numbers of horses and race starts examined means we can be confident of the findings, which back up the instincts of many astute trainers who already vaccinate their horses,” Dr Lenz said.

Vet Practice magazine and its associated website is published by Engage Media. All material is protected by copyright and may not be reproduced in any form without prior written permission. Explore how our content marketing agency can help grow your business at Engage Content or at YourBlogPosts.com.

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