Dr. Katelyn Gaffield & Sierra Collier: Soybean Meal Quality Variability | Ep. 217

Dr. Katelyn Gaffield & Sierra Collier: Soybean Meal Quality Variability | Ep. 217

Author: Wisenetix April 2, 2026 Duration: 9:28
In this episode of The Swine Nutrition Blackbelt Podcast, Dr. Katelyn Gaffield from Kansas State University and graduate researcher Sierra Collier discuss a nationwide survey evaluating soybean meal quality and consistency. They share key findings on crude protein stability, variation in fat content, trypsin inhibitor levels, and implications for swine diet formulation. The discussion highlights opportunities for improved communication between producers and processors. Listen now on all major platforms! “Trypsin inhibitor levels ranged widely from very low values to levels that could negatively impact nursery pig performance when included in diets at higher concentrations.” - Dr. Katelyn Gaffield Meet the guests: Dr. Katelyn Gaffield https://www.linkedin.com/in/katelyn-gaffield-ab8023107/ is an Assistant Research Professor in Swine Nutrition at Kansas State University. Her work focuses on soybean meal quality, nutrient consistency, and large scale ingredient evaluation to support precise diet formulation and improve swine production efficiency. Sierra Collier https://www.linkedin.com/in/sierra-collier-7755a424b/ is a graduate researcher at Kansas State University specializing in soybean meal evaluation and trypsin inhibitor effects in nursery pigs. Her research supports improved ingredient quality assessment and practical applications for swine nutrition programs. Liked this one? Don’t stop now — Here’s what we think you’ll love! https://www.wisenetix.com/blog?tag=the+swine+nutrition+blackbelt+podcast What you will learn: (00:00) Highlight (00:33) Introduction (01:53) Survey overview (02:57) Sample scale (03:51) Nutrient consistency (04:16) Fat variation (04:44) Trypsin levels (06:46) Closing thoughts The Swine Nutrition Blackbelt Podcast is trusted and supported by innovative companies like: * Fortiva (https://fortivaimpact.com) * Kemin (https://www.kemin.com/na/en-us/markets/animal/swine) - DietForge (https://dietforge.ai/) - Essential Ag Solutions (https://essentialag.com/) 𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺. Website: https://swinenutritionblackbelt.com/ Instagram: https://www.instagram.com/swinecampus/ LinkedIn: https://www.linkedin.com/company/swinecampus/

For swine nutritionists, the sheer volume of information can be overwhelming, and finding truly actionable insights is a constant challenge. The Swine Nutrition Blackbelt Podcast, presented by Wisenetix, cuts through the noise by delivering concentrated wisdom from leading global experts. Each episode is designed to fit into a busy schedule, offering a focused, nine-minute dive into a specific topic that's actually working in the field today. You'll hear directly from researchers and practitioners at the forefront of the industry, discussing practical applications, emerging research, and nutritional strategies without the fluff. This isn't about theoretical deep dives; it's about what you can apply right now. The conversations are candid and geared toward professionals who need to stay current but are pressed for time. Tuning into this science-focused podcast means gaining a regular dose of peer-level insight, transforming a short commute or break into a genuine professional development session. It’s built for those who believe expertise should be accessible and efficient, providing a consistent stream of knowledge to help refine your approach and decision-making in swine nutrition.
Author: Language: en-us Episodes: 100

The Swine Nutrition Blackbelt Podcast
Podcast Episodes
Nelson Arias: Distiller Grains in Pig Diets | Ep. 149 [not-audio_url] [/not-audio_url]

Duration: 9:16
In this episode of The Swine Nutrition Blackbelt Podcast, Nelson Arias, a Graduate student at the University of Illinois, shares findings from his research on high-protein distiller grains in pig diets. Nelson discusses…
Dillon Mellick: Nutrition & Immune Support | Ep. 148 [not-audio_url] [/not-audio_url]

Duration: 11:17
In this episode of The Swine Nutrition Blackbelt Podcast, Dillon Mellick, from Kemin Industries, outlines strategies and challenges in disease control, discussing approaches in biosecurity, feed additives, and nutrition'…
Dr. Tom Crenshaw: Phosphorus in Swine Diets  - Part 2 | Ep. 147 [not-audio_url] [/not-audio_url]

Duration: 15:07
In this episode of The Swine Nutrition Blackbelt Podcast, Dr. Tom Crenshaw from the University of Wisconsin-Madison continues the discussion on the complexities of managing phosphorus in swine diets. He talks about the p…
Dr. Tom Crenshaw: Urine Calcium-Phosphorus Ratio - Part 1 | Ep. 146 [not-audio_url] [/not-audio_url]

Duration: 12:28
In this episode of The Swine Nutrition Blackbelt Podcast, Dr. Tom Crenshaw, from the University of Wisconsin-Madison, explores the complex phosphorus requirements in sows. Focusing on optimizing phosphorus intake, Dr. Cr…
Dr. Jorge Estrada: Sow Lactation & Feed Intake | Ep. 145 [not-audio_url] [/not-audio_url]

Duration: 13:49
In this episode of The Swine it Podcast Show Canada, Dr. Ali Honaramooz, from the University of Saskatchewan, explores the field of xenotransplantation using pigs as models. Dr. Honaramooz discusses the suitability of pi…
Dr. Hernan Córdova: Trypsin Inhibitors in Swine | Ep. 144 [not-audio_url] [/not-audio_url]

Duration: 12:49
In this special rerun of the Swine Nutrition Blackbelt Podcast, Dr. Hernan Córdova from Smithfield Foods explains how trypsin inhibitors in soybean meal impact swine growth and feed efficiency. He details regional variat…
Dr. David Rosero: Fat Quality in Swine Diets | 143 [not-audio_url] [/not-audio_url]

Duration: 12:50
In this episode of The Swine Nutrition Blackbelt Podcast, Dr. David Rosero from Iowa State University explores the critical aspects of fat quality and oxidation in swine diets. He discusses how different types of lipids…
Dr. Urbano Ruiz: Fine-Tuning Swine Diets | Ep. 142 [not-audio_url] [/not-audio_url]

Duration: 14:06
In this episode of The Swine Nutrition Blackbelt Podcast, Dr. Urbano Ruiz from the University of São Paulo shares insights from his team's research on the digestibility of different corn-based feed ingredients in swine a…
Dr. Panagiotis Tassis: Mycotoxins in Swine | Ep. 140 [not-audio_url] [/not-audio_url]

Duration: 15:06
In this episode of The Swine Nutrition Blackbelt Podcast, Dr. Panagiotis Tassis from Aristotle University of Thessaloniki sheds light on the crucial issue of mycotoxins and their impact on swine production. Dr. Tassis ta…