Are you making the right choices for your horse’s digestive health, or is their internal ecosystem suffering in silence? In this episode of Ask an Expert, Dr. Mary Beth Gordon, Senior Director of Equine Technical Innovation for Purina Animal Nutrition, demystifies the equine microbiome and explains how it impacts every aspect of your horse’s well-being.

Episode Highlights:

9:04: What the microbiome actually is, why it matters, and how it functions as your horse’s hidden health driver

18:24: Real-world warning signs your horse’s microbiome may be out of balance and key links to behavior, immunity, and colic risk

25:31: How fiber, feed, stress, and even travel or medications can shape the gut

30:18: The difference between prebiotics, probiotics, and postbiotics - and how to spot products that actually work

Meet the Expert, Dr. Mary Beth Gordon

Dr. Mary Beth Gordon is the Senior Director of Equine Technical Innovation at Purina Animal Nutrition, where she leads research focused on equine nutrition, exercise physiology, and digestive health. She earned her Bachelor’s degree in Animal Science from Delaware Valley University and her PhD in Animal Science, with a focus on equine nutrition and exercise physiology, from Rutgers University. In addition to her work in research, Mary Beth is active in the horse world as a dressage rider.

Episode Sponsor

Connaway & Associates

The friendly and knowledgeable team at Connaway & Associates brings together more than 30 years of experience to offer a wide range of insurance services, including horse insurance, farm insurance, and liability insurance.

Visit www.connaway.net or call 501-868-8084 to explore your options. 

Brought to you by Ride iQ 

This episode is part of the Ask An Expert podcast series, usually available exclusively in the Ride iQ app, where members have access to more than 200 expert interviews covering training, horse care, sports psychology, and more.

Ride iQ helps everyday riders ride with more clarity, confidence, and purpose through on-demand audio lessons from world-class coaches. Members also get weekly live Q&As with equestrian experts, exclusive podcast episodes, dressage test playbooks, and supportive community conversations that make learning feel fun and doable.

If you’d like to explore what Ride iQ offers, you can learn more and start your free 14-day trial at Ride-iQ.com.