33. Replay: Your horse's hindgut microbes and their impact on... everything! | Best of 2025

33. Replay: Your horse's hindgut microbes and their impact on... everything! | Best of 2025

To wrap up 2025, we’re resharing our most popular guest interview from Season 1 — and it’s a favourite for good reason.

In this episode, microbiology expert Dr Belinda Chapman and Dr Nerida take us inside your horse’s hindgut ecosystem.

Together, they look at what the microbiome actually is, why horses rely on microbes far more than we do, and how the balance between the fibre-loving “good guys” and the weedy, greedy starch-fermenters can influence everything from digestion and energy production to health, performance, and behaviour.

Dr Belinda and Dr Nerida also dive into some seriously fascinating concepts (in a very listenable way), including:

  • Why horses have a more complex microbiome than humans
  • The underappreciated role of anaerobic fungi in fibre breakdown
  • What “quorum sensing” is (and why it’s a bit mind-blowing); and
  • Why microbial diversity = resilience (and what that means in the real world)

If this episode helps you see feeding through a new lens, we’d love you to subscribe so you don’t miss the practical, science-backed episodes coming in 2026 - and we’d really love ypu to share this with a friend who loves a good horse nutrition rabbit hole as much as you do, they’ll thank you for it.💛

More about Quantal Bioscience: ⁠https://www.quantalbioscience.com/⁠

Hindgut microbiome testing with Dr Belinda: ⁠https://www.equigi.com/home⁠

Discover and download the MyHappy.Horse App: ⁠https://www.myhappy.horse

Episoder(48)

32. Five Ingredients I Love (and Five I Avoid!) in Horse Nutrition

32. Five Ingredients I Love (and Five I Avoid!) in Horse Nutrition

In this last new episode for 2025, professional equine nutritionist Dr Nerida shares five ingredients she loves using in real-world diets, and five (actually if you listen carefully, she sneaks in 6!)...

22 Des 20251h 7min

31. Is This Horse Fed Right? A Vet's Guide to the Rapid Assessment of Nutrition

31. Is This Horse Fed Right? A Vet's Guide to the Rapid Assessment of Nutrition

When a horse presents with ulcers, colic risk, poor performance, slow healing,  unexplained weight change or a plethora of other health conditions, nutrition may be part of the story—even if it isn’t ...

15 Des 202524min

30. Horse Nutrition Q&A: How racehorses are thriving on more fibre, less grain

30. Horse Nutrition Q&A: How racehorses are thriving on more fibre, less grain

The racing world is changing — and happily, it’s science leading the charge.Dr Nerida and Orla return to unpack the data from Ciaron Maher Racing’s nutrition overhaul: less grain, more fibre, and a he...

8 Des 202539min

29. Strip Grazing for Horses: How to reduce pasture intake safely and support weight control

29. Strip Grazing for Horses: How to reduce pasture intake safely and support weight control

When used well, strip grazing becomes one of the most effective tools for managing weight, preventing laminitis and protecting pasture. In this episode of the Happy Horse Nutrition Podcast, Dr Nerida ...

1 Des 202532min

28. Feeding your horse for an amazing coat

28. Feeding your horse for an amazing coat

A glossy coat isn’t just about looks — it’s a window into your horse’s inner health.In this episode, Dr Nerida takes you through some of the reasons coats lose their shine — from seasonal changes and ...

24 Nov 202540min

27. Horse Nutrition Q&A: Ryegrass Staggers, Mycotoxins, Grain Processing & Faecal pH

27. Horse Nutrition Q&A: Ryegrass Staggers, Mycotoxins, Grain Processing & Faecal pH

Dr. Nerida and Orla are back with another Q&A episode that tackles everything from freaky behaviour on ryegrass and mycotoxin binders to a virtually unknown reason your horse might be completely off i...

17 Nov 202545min

26. Feeding ‘Marey Mares’: What to Feed and Avoid for Behaviourally Challenging Mares

26. Feeding ‘Marey Mares’: What to Feed and Avoid for Behaviourally Challenging Mares

Join Dr. Nerida as she tackles a listener question about feeding “marey mares” — those behaviourally expressive, sensitive, frequently moody, often brilliant mares. This solo Happy Horse Nutrition epi...

10 Nov 202528min

25. Breaking the Horse Nutrition Mold: How Ciaron Maher Racing are Challenging Status Quo in Australian Thoroughbred Racing

25. Breaking the Horse Nutrition Mold: How Ciaron Maher Racing are Challenging Status Quo in Australian Thoroughbred Racing

Discover how Ciaron Maher Racing (CMR) is pushing the boundaries in the Australian thoroughbred racing industry and breaking away from traditional nutrition strategies. In this in-depth conversation, ...

3 Nov 20251h 12min

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