Sports Medicine, Health, Welfare, Rehabilitation, and Aftercare of Racehorses

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Equids".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 439

Special Issue Editors


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Guest Editor
BW Sykes Consultancy, Coffs Harbour, NSW, Australia
Interests: horse; EGUS; stomach; ulcer; gastroenterology; pharmacokinetics

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Guest Editor
School of Veterinary Science, Charles Sturt University, Wagga Wagga, NSW, Australia
Interests: equine internal medicine; EGUS; gastroenterology; endocrinology; neonatology

Special Issue Information

Dear Colleagues,

We are pleased to announce that we will be co-editing a Special Issue of Animals on “Sports Medicine, Health, Welfare, Rehabilitation, and Aftercare of Racehorses”.

Due to social licenses putting increased pressure on horse sports, and particularly racing horses, the health and wellbeing of horses under our care has never been more important. This Special Issue will focus on the science around optimizing the health, welfare, and wellbeing of racehorses within and after their racing careers. This intentionally broader scope encompasses the entirety of the racehorses’ career after it enters racing, with a focus on positive interventions intended to improve health and wellbeing outcomes. Its purpose is to broaden the conversation within the racing industry beyond a focus on optimizing performance and towards optimizing performance within an industry with the primary outcome of always protecting the health and wellbeing of its equine participants.

It is intended that this Special Issue will provide valuable additional scientific data to further the implementation of wellbeing-orientated outcomes. In doing so, it intends to provide a broad range of stakeholders within the racing industry with the information necessary to make evidence-based decisions relating to racehorse health and wellbeing.

Dr. Ben Sykes
Dr. Amy Lovett
Guest Editors

Manuscript Submission Information

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Keywords

  • racehorses
  • health
  • wellbeing
  • welfare
  • performance

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Published Papers (1 paper)

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Research

24 pages, 1481 KiB  
Article
Sources of Environmental Exposure to the Naturally Occurring Anabolic Steroid Ecdysterone in Horses
by Martin N. Sillence, Kathi Holt, Fang Ivy Li, Patricia A. Harris, Mitchell Coyle and Danielle M. Fitzgerald
Animals 2025, 15(14), 2120; https://doi.org/10.3390/ani15142120 - 17 Jul 2025
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Abstract
Ecdysterone controls moulting and reproduction in insects, crustaceans, and helminths. It is also produced by many plants, probably as an insect deterrent. The steroid is not made by vertebrates but has anabolic effects in mammals and could be useful for treating sarcopenia in [...] Read more.
Ecdysterone controls moulting and reproduction in insects, crustaceans, and helminths. It is also produced by many plants, probably as an insect deterrent. The steroid is not made by vertebrates but has anabolic effects in mammals and could be useful for treating sarcopenia in aged horses. However, ecdysterone is banned in horseracing and equestrian sports, and with no limit of reporting, the risk of unintended exposure to this naturally occurring prohibited substance is a concern. To explore this risk, pasture plants and hay samples were analysed for ecdysterone content, as well as samples of blood, faeces, and intestinal mucosa from horses (euthanized for non-research purposes) with varying degrees of endo-parasite infestation. The variability in serum ecdysterone concentrations between different horses after administering a fixed dose was also examined. Ecdysterone was detected in 24 hay samples (0.09 to 3.74 µg/g) and several weeds, with particularly high concentrations in Chenopodium album (244 µg/g) and Solanum nigrum (233 µg/g). There was a positive correlation between faecal ecdysterone and faecal egg counts, but no effect of anthelmintic treatment and no relation to the number of encysted cyathostome larvae in the large intestine mucosa. Certain horses maintained an unusually high serum ecdysterone concentration over several weeks and/or displayed an abnormally large response to oral ecdysterone administration. Thus, the risk of environmental exposure to ecdysterone is apparent, and several factors must be considered when determining an appropriate dosage for clinical studies or setting a reporting threshold for equine sports. Full article
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