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 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 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.

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What you will learn:

• (00:00) Highlight
• (01:02) Introduction
• (02:22) Survey overview
• (03:26) Sample scale
• (04:20) Nutrient consistency
• (04:45) Fat variation
• (05:13) Trypsin levels
• (07:15) Closing thoughts

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