Gastric ulcers are one of the first things many horse owners think of when a horse’s behaviour changes, but can all behavioural problems really be blamed on Equine Gastric Ulcer Syndrome?
In this episode, Barbara and Jen are joined by equine internal medicine specialists Dr Ben Sykes and Dr Amy Lovett to explore the complicated relationship between gastric disease, pain and behaviour in horses.
Ben has an extensive clinical and research background in equine gastroenterology and Equine Gastric Ulcer Syndrome (EGUS), while Amy is a Senior Lecturer in Equine Medicine at Charles Sturt University in Australia and a board-certified specialist in large animal internal medicine.
Their paper, Can All Behavioral Problems Be Blamed on Equine Gastric Ulcer Syndrome?, challenges us to think beyond simple explanations when horses present with behavioural change.
We talk about what behaviours might and might not tell us about gastric disease; the importance of differential diagnosis; musculoskeletal pain, saddle fit and dental disease; rider and training effects; and the danger of finding an abnormality and automatically assuming we have found the cause of the behaviour.
We also explore one of the areas particularly relevant to behaviour practitioners: what happens after the pain has gone?
If a horse has repeatedly experienced pain when being girthed, ridden or handled, treating the underlying disease does not necessarily erase what that horse has learned. Ben and Amy discuss pain-related anticipatory behaviour, why behavioural responses can persist after successful medical treatment, and why recovery sometimes needs to involve much more than simply treating the pathology.
We also get into cognitive bias in owners and professionals, the enormous prominence gastric ulcers have acquired within the equestrian world, how vets and behaviour professionals can work together, and why asking the right question may be more useful than immediately looking for one particular diagnosis.
Ben and Amy have subsequently explored this subject further alongside veterinary behaviourist Dr Mary Klinck in their clinical commentary, Incorporating a Behavioral Medicine Approach in the Multi-Modal Management of Chronic Equine Gastric Ulcer Syndrome (EGUS), looking specifically at integrating behavioural medicine into the management of chronic and recurrent gastric disease.
A fascinating conversation about ulcers but perhaps even more importantly, about pain, learning, behaviour and looking at the whole horse.
Papers discussed
Ben Sykes & Amy Lovett (2025) Can All Behavioral Problems Be Blamed on Equine Gastric Ulcer Syndrome? Animals, 15(3), 306 DOI: 10.3390/ani15030306
Mary Klinck, Amy Lovett & Ben Sykes (2025) Incorporating a Behavioral Medicine Approach in the Multi-Modal Management of Chronic Equine Gastric Ulcer Syndrome (EGUS): A Clinical Commentary Animals, 15(20), 3019 DOI: 10.3390/ani15203019
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