In this episode of The Poultry Nutrition Blackbelt Podcast, Isabel Tobin, Ph.D. candidate at Oklahoma State University, explains her research on gut health and necrotic enteritis prevention in poultry. She highlights how commensal bacteria can strengthen the intestinal barrier, enhance immunity, and reduce pathogen colonization. Listen now on all major platforms!

"Colonization resistance is the concept that millions of beneficial bacteria naturally residing in the gut protect the host from pathogen invasion."

Meet the guest: Isabel Tobin is a Ph.D. candidate in Animal and Food Sciences at Oklahoma State University. She earned her bachelor’s degree in Animal Science and Biology from the University of Findlay, where she gained extensive hands-on research experience. Her current work focuses on antibiotic-free strategies for necrotic enteritis prevention in poultry.

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What you'll learn:

• (00:00) Highlight
• (01:41) Introduction
• (03:05) Colonization resistance
• (04:50) Bacteria screening
• (05:41) Research trials
• (07:41) Delivery methods
• (09:26) Industry applications
• (10:41) Closing thoughts

The Poultry Nutrition Blackbelt Podcast is trusted and supported by innovative companies like:

* Fortiva

- BASF

- Anitox

- Kerry

- Barentz

- Kemin

- Poultry Science Association

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

Website: Poultry Nutrition Blackbelt Podcast

Instagram: Poultry Campus

LinkedIn: Poultry Campus

In this episode of the Poultry Nutrition Blackbelt Podcast, Dr. Jerry Spears, Animal Nutrition Consultant, shares his expertise on trace minerals, with a focus on chromium use in turkeys. He explains how chromium impacts insulin sensitivity, stress reduction, and immune function, while also discussing its effect on growth, feed efficiency, and economic return. Listen now on all major platforms!

"Studies have indicated that at 16 or 17 weeks of age, turkeys supplemented with chromium showed an additional 1 pound of body weight compared to controls."

Meet the guest: Dr. Jerry Spears, Professor Emeritus of Nutrition and Animal Science at North Carolina State University, has specialized in trace minerals for over three decades. His work has shaped advancements in poultry nutrition, especially in understanding chromium’s role in metabolism, immunity, and production efficiency. Currently, he consults as an Animal Nutrition Consultant and continues contributing to applied research.

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Dr. Jerry Spears: Chromium in Poultry Diets | Ep. 53

Dr. Michelle Kromm: Clostridial Dermatitis in Poultry | Ep. 83

Dr. Karen Vignale: Turkey Dermatitis & Gut Health Solutions | Ep. 115

What you'll learn:

• (00:00) Highlight
• (01:23) Introduction
• (02:13) Chromium in turkeys
• (04:40) Stress reduction
• (05:35) Meat yield potential
• (06:37) Economic return
• (09:20) Future research
• (10:55) Closing thoughts

The Poultry Nutrition Blackbelt Podcast is trusted and supported by innovative companies like:

Kemin

* Fortiva

- Poultry Science Association

- BASF

- Anitox

- Kerry

- Barentz

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

Website: Poultry Nutrition Blackbelt Podcast

Instagram: Poultry Campus

LinkedIn: Poultry Campus

In this episode of The Poultry Nutrition Blackbelt Podcast, Dr. Dawn Koltes from Iowa State University shares her research on enzymes in turkey nutrition. She explains the differences between endogenous and exogenous enzymes, how turkey feeding practices have evolved, and why more updated research is needed. Listen now on all major platforms!

"Exogenous enzymes are essentially enzymes that we are providing to the bird, while the endogenous ones are produced by the bird."

Meet the guest: Dr. Dawn Koltes earned her M.S. and Ph.D. in Genetics from Iowa State University, where she focused on animal breeding and genetics. She has served as a postdoctoral researcher, research scientist, and faculty member, currently holding the position of Assistant Professor at Iowa State University. Her research focuses on poultry nutrition, particularly enzyme utilization and lipid metabolism in turkeys.

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Dr. Sara Llamas-Moya: Enzyme Innovations in Poultry | Ep. 102

Dr. Lisa Bielke: Feed Additives for Poultry Gut Health | Ep. 105

What you'll learn:

• (00:00) Highlight
• (01:39) Introduction
• (02:44) Endogenous x exogenous enzymes
• (04:55) Turkey diet phases
• (05:35) Limited research
• (06:34) Exogenous enzymes
• (08:22) Lipid trials
• (10:11) Closing thoughts

The Poultry Nutrition Blackbelt Podcast is trusted and supported by innovative companies like:

Kerry

* Fortiva

- Barentz

- Kemin

- Poultry Science Association

- BASF

- Anitox

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

Website: Poultry Nutrition Blackbelt Podcast

Instagram: Poultry Campus

LinkedIn: Poultry Campus