In this episode of The Poultry Podcast Show, Dr. Tim Johnson from the University of Minnesota unpacks how microbiome variability, sampling methods, and vaccine timing can affect bird health and production outcomes. He discusses the gut-brain axis, the influence of early microbial exposure, and how management strategies alter gut microbial balance. Learn how microbiome markers can inform real-time decisions in poultry operations. Listen now on all major platforms!

“Microbiome analysis often relies on a small set of microbial markers to estimate overall gut health status.”

Meet the guest: Dr. Tim Johnson is a professor at the University of Minnesota and Director of Research and Development at MCROC Poultry Lab. With over 20 years of experience in poultry pathogen research, he focuses on microbiome development, bacterial diseases, and antimicrobial resistance in poultry.

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What you will learn:

• (00:00 ) Highlight
• (01:12 ) Introduction
• (03:47 ) Microbiome sampling updates
• (07:22 ) Early-life gut development
• (16:29 ) Vaccine effects on microbiota
• (20:14 ) Environmental stressors impact
• (21:26 ) Bacterial load management
• (34:23 ) Final Questions

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