In this episode of The Dairy Podcast Show, Dr. Kurt Rosentrater from Iowa State University explores the evolving role of distillers' grains in dairy cattle nutrition. He shares insights on biofuel byproducts, ingredient optimization, and the economics behind high-protein corn co-products. Learn how the ethanol industry and dairy nutrition intersect in powerful ways. Listen now on all major platforms!

"We're right now sitting about 33 to 35 million tons per year, and we're not landfilling it, and we're not burning, we're using it."

Meet the guest: Dr. Kurt Rosentrater earned his B.S., M.S., and Ph.D. in Agricultural and Biosystems Engineering from Iowa State University. As a professor at Iowa State, his work focuses on biofuels, grain processing, and ingredient sustainability, all highly relevant to animal nutrition and production.

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What you'll learn:

• (00:00) Highlight
• (01:33) Introduction
• (06:39) Distillers' grains evolution
• (11:13) Circular economy
• (17:03) Protein value insights
• (22:37) Ingredient cost comparison
• (28:15) Global demand
• (30:16) Final three questions

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