Dr. Sarah Pearce: Stress as a Nutrient Thief | Ep. 231

In this episode of The Swine Nutrition Blackbelt Podcast, Dr. Sarah Pearce, Research Animal Physiologist with USDA ARS, explains why stress can act as a nutrient thief in pigs. She discusses gastrointestinal health, barrier integrity, inflammation, feed efficiency, stress interactions, and emerging biomarkers that may help predict performance challenges before they occur. Listen now on all major platforms!

Click here to read the full research article: https://academic.oup.com/af/article/16/3/5/8490630

"Stress can steal calories and nutrients because energy normally used for growth is redirected toward immune activation, gut repair, and other costly survival responses."

Meet the guest: Dr. Sarah Pearce https://www.linkedin.com/in/sarah-pearce-phd-3a5881a5/ earned her M.S. and Ph.D. in Nutritional Sciences from Iowa State University and currently serves as a Research Animal Physiologist with the USDA Agricultural Research Service. Her research focuses on gastrointestinal physiology, nutrition, stress biology, immune function, and productivity in pigs and poultry. Learn more from Dr. Sarah Pearce on the Swine Nutrition Black Belt Podcast, available on all major platforms.

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What you will learn:

(00:00) Highlight

(01:05) Introduction

(01:50) Stress redirects nutrients

(03:17) Multiple stressors

(05:07) Gut barrier