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Officials Unveil the 2023 Illinois State Fair Butter Cow Sculpture in Springfield

Officials Unveil the 2023 Illinois State Fair Butter Cow Sculpture in Springfield

With the 2023 Illinois State Fair about to get underway, Gov. JB Pritzker and Department of Agriculture Director Jerry Costello II officially unveiled this year’s butter cow.

The cow was sculpted by artist Sarah Pratt and inspired by dairy farmer Lorilee Schultz, from Mill-R-Mor Dairy in Orangeville, who is depicted harvesting milk from one of her cows. The theme of this year’s State Fair is “Harvest the Fun.”

This year’s display also features a second, smaller sculpture in a separate display case depicting Schultz’s daughter, Lucy, petting a calf.

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Validating Net Energy in Commercial Swine Systems - Gustavo Lima

Video: Validating Net Energy in Commercial Swine Systems - Gustavo Lima


In this episode of The Swine Nutrition Blackbelt Podcast, Gustavo Lima, PhD candidate at Iowa State University, explains how soybean meal net energy is evaluated using growth assays and calorimetry. He discusses caloric efficiency, validation under commercial conditions, and differences between controlled and real-world environments. Gustavo also highlights practical implications for diet formulation and ingredient valuation. Listen now on all major platforms!

“Indirect calorimetry provides a precise estimation of ingredient energy, yet validation under production conditions remains essential for accurate application in real systems.”

Meet the guest: Gustavo Lima / gustavo-lima-a9867127 is a PhD candidate in Animal Science at Iowa State University, specializing in swine nutrition, ingredient evaluation, and energy metabolism. With over 15 years of experience across Latin America, his work focuses on soybean meal utilization, caloric efficiency, and applied research for commercial production systems.