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Stress as a Nutrient Thief - Dr. Sarah Pearce

Jul 13, 2026

Video: Stress as a Nutrient Thief - Dr. Sarah Pearce

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/1...

"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 / 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.

Stress as a Nutrient Thief - Dr. Sarah Pearce

How Data Predicts Swine Outbreaks - Swaminathan Jayaraman

In this episode of The Swine it Podcast Show Canada, Swaminathan Jayaraman, Research Assistant and PhD Candidate at Iowa State University College of Veterinary Medicine, explains how integrated data systems can improve disease surveillance in swine production. He discusses combining diagnostics,... More ›

Season 7, Episode 2: From Data to Decisions in Swine Production

Data can provide a clear picture of trends and performance across a swine farm, but its greatest value comes from putting those insights into action. In this episode, Dr. Edison Magalhães, assistant professor in the department of animal science at Iowa State University, discusses how producers c... More ›

Market Plus with Ted Seifried

Is the market too comfortable with a trendline corn yield? Ted Seifried discusses the assumptions driving prices and what could change the outlook in this week’s online-only Market Plus.... More ›

Extended Forecast | Eric Hunt

We saw a little bit of everything across Nebraska over the fourth of July weekend. This week, we're getting a longer-term look at the weather pattern.... More ›

A Tractor Ride & Stories While Making Hay!

Off to the hay fields again today but today we are inside the tractor to experience first-hand what it is like to make hay from the farmer's perspective. While we are baling the hay we tell stories of what haying was like in the past. And I share some health accomplishments that I have made. We ... More ›

ASI Intake 4 Energy Worksheet Overview

ASI Intake 4 Energy Worksheet Overview... More ›

CLAAS: Made for More | Episode 2

Built by farmers, for farmers. That’s how every machine gets its start at CLAAS. Learn more about the magic behind the manufacturing. Part two of the three-part mini-series aired on RFD-TV.... More ›

Agronomy: Soil Compaction Conditions

Listen as Pivot Bio agronomist Allen Parrish walks through soil compaction conditions in this field and what that can mean for early crop development. With a weatherproof nitrogen source available at the root, Pivot Bio helps support plants early in the season, encouraging more uniform growth an... More ›

USDA July Crop Report Bullish Corn, Soybeans & Wheat

The USDA July crop report was bullish/friendly corn, soybeans and wheat futures. The next 10 days remains hot/dry for the Canadian Prairies, U.S. Northern Plains and Western Midwest but models are in disagreement. China bought 736,000 mt of U.S. soybeans this week. U.S. crop conditions rema... More ›

Take pride #10

Take pride #10 | | Canadian Chicken - Le poulet Canadien... More ›

One Gene Between Wheat and Disaster | On The Brink: Season 2 - Episode 9

Midge-tolerant wheat gave Canadian growers something rare: a pest problem they no longer have to think about. But that entire defense depends on one resistance gene, SM1. Dr. Tyler Wist explains why that single point of failure worries him, and what's being done to protect it. Dr. Tyler Wist ... More ›

Superior Milk Actually Starts In A Soybean Field

Superior milk starts long before the dairy barn 🐮, it actually starts in a soybean field.... More ›

Ag Economy Update - June 2026 Acreage Report

Dr. Todd Davis, chief economist for Indiana Farm Bureau, provides an analysis of the June 2026 Acreage Report from the USDA.... More ›

Weather's Role in Chasing 4th Consecutive Year of Record Crops

Jim Roemer explains why a rapidly strengthening El Niño — paired with record heat baking Western Europe's corn crop — points toward a neutral-to-bearish summer for corn and soybeans, not a repeat of the historic 1983 Corn Belt drought.... More ›

Field Topography & Nitrogen Efficiency

Allen Parrish, Pivot Bio Agronomist, explains how field topography can impact nitrogen efficiency. Hilly and rolling ground is more prone to runoff. Pivot Bio’s microbial nitrogen source lives on each plant, delivering a continuous daily supply of nitrogen directly to the crop and helping red... More ›

Cutting Alfalfa and Baling Alfalfa

just another day working with this alfalfa. we have has a very dry week and its time to get this stuff done.... More ›

Fusarium Head Blight (FHB) in Wheat

Fusarium head blight or FHB also known as headscab is caused primarily by the fungal pathogen fusarium grammanum.... More ›

Fusarium Head Blight Management and Harvesting in Organic Wheat with Prof Damon Smith

Fusarium Head Blight Management and Harvesting in Organic Wheat with Prof Damon Smith, Extension Field Crops Pathologist Department of Plant Pathology, UW–Madison Filmed in June 2024 in Arlington Agricultural Research Station, WI. Produced by Kelly Debbink, Outreach Specialist, OGRAIN. F... More ›

49,000 Bales Into the 2026 Hay Season!

We had a great start to the 2026 season as we follow along the crew baling, cleaning up, and drying our newest hay field, the wonderful farm of Mr. Stone.... More ›

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Video: Stress as a Nutrient Thief - Dr. Sarah Pearce