Happy Horse Nutrition

72. When a Horse’s Gut Health Goes Wrong: Bentley’s Story

September 29, 2026·50 min
Episode Description from the Publisher

Bentley had been a healthy horse for years, until an injury, prolonged antibiotic treatment and a cascade of gut problems changed everything. Persistent colic, abdominal pain, diarrhoea, gastric ulcers and gas eventually led us to look more closely at his hindgut microbiome.In this episode, Dr Nerida shares Bentley’s roller-coaster ride case study, from microbiome testing and low microbial diversity, through increasing dietary fibre diversity and two faecal microbiota transplants (FMT), to the gradual return of a comfortable, happy horse. We also look at free faecal water, faecal pH, vitamin B2, fibre-fermenting bacteria and what Bentley’s before-and-after microbiome results might tell us about equine dysbiosis, gut health and colic risk. It’s a brilliant example of just how complex the horse hindgut is, and how much we still have to learn about rebuilding a disrupted microbiome. Have a listen and be sure to hang on for the highs and the lows of Bentley’s story ❤️Big thanks to Bentley's beautiful owner Saskia for allowing us to their incredible story! 🙏🏼🥰

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