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HDYTT: Fecal Transfer for Chronic Diarrhea

May 14, 2026 by Andy Roark DVM MS

behind of a corgi laying down with legs splayed out

Dr. Andy Roark welcomes Dr. Lily Chen, DVM, owner of Integrative Pet Wellness Center in Los Angeles, to talk fecal transfers and microbiome therapy for chronic diarrhea cases that keep cycling back to antibiotics. Using a 10-year-old German Shepherd with recurrent diarrhea as the example, Lily explains why dysbiosis can be a root cause, when she starts with microbiome testing (including the Texas A&M Dysbiosis Index), and how she uses commercially prepared donor material to perform quick, non-anesthesia, rectal “retention enema” fecal transplants in repeated sessions. She shares expected timelines, her typical eight-session protocol with retesting, clinical and behavioral improvements clients often notice, why oral transfer systems have been less durable in her experience, and how she reassesses when results are limited. She also shares where to find her on Instagram.

You can also listen to this episode on Apple Podcasts, Amazon Music, Spotify, YouTube or wherever you get your podcasts!

ABOUT OUR GUEST

Dr. Lily Chen

Dr. Lily Chen, DVM, CVA, IVCCP is the founder of Integrative Pet Wellness Center in Los Angeles and The Unicorn Vet, an education platform helping veterinarians turn microbiome theory into clinical reality.

Through her course, The Magic of Microbiome, Dr. Chen teaches vets how to make FMT and microbiome therapy practical, profitable, and implementable—because the science is solid, but most practitioners don’t know where to start. She also hosts My Dog Is Better Than Your Dog podcast and believes the future of veterinary medicine is root-cause healing, not just symptom management.

The Unicorn Vet: https://theunicorn.academy/
Integrative Pet Wellness Center: integrativepet.com

Filed Under: Podcast Tagged With: Medicine

Andy Roark DVM MS

Dr. Andy Roark is a practicing veterinarian in Greenville SC and the founder of the Uncharted Veterinary Conference. He has received the NAVC Practice Management Speaker of the Year Award three times, the WVC Practice Management Educator of the Year Award, the Outstanding Young Alumni Award from the University of Florida’s College of Veterinary Medicine, and the Veterinarian of the Year Award from the South Carolina Association of Veterinarians.


Read more posts by: Andy Roark DVM MS

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