Dr. Keith Warriner: Biofilm Risks In Feed Mills | Ep. 146

In 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!

"Biofilms develop over time as structured communities of bacteria that produce protective substances, allowing long term survival on surfaces despite repeated sanitation efforts."

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.

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What will you learn:

• (00:00) Highlight
• (01:07) Introduction
• (02:47) Biofilm basics
• (05:14) Dry biofilms
• (08:17) Detection challenges
• (14:56) Mitigation strategies
• (17:30) Intervention methods
• (23:19) Final Questions

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