The Feed Science Podcast Show - Dr. Keith Warriner: Biofilm Risks In Feed Mills | Ep. 146
Apr 15, 2026In this episode of The Feed Science Podcast Show, Dr. Keith Warriner, Professor of Food Microbiology at the University of Guelph, explains how biofilms impact food and feed safety. He explores dry biofilms in low-moisture environments, their resistance to sanitation, detection challenges, and mitigation strategies for feed mills. Practical insights highlight risks like Salmonella persistence and evolving control methods. Listen now on all major platforms!
![]() |
![]() |
What you'll learn:
- Biofilm formation basics
- Dry biofilms risks
- Detection limitations methods
- Mitigation without water
- Future research gaps
Meet the guest:
Dr. Keith Warriner is a Professor of Food Microbiology at the University of Guelph, where research focuses on food safety, sanitation, and contamination control in food systems. With over two decades of experience, work includes biofilm behavior, risk assessment, and applied industry solutions to improve safety in low moisture environments.
Connect with our guest on Social Media: LinkedIn
Learn more from Dr. Keith Warriner on The Feed Science Podcast Show, available on all major platforms.
Liked this one? Don’t stop now, here’s what we think you’ll love!
![]() |
![]() |
![]() |
![]() |





