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Missouri family adapts into hog production

Matt Stubblefield is adamant about the fact that he is a cattleman, not a hog farmer. But with generations of pork producers in his family, raising hogs was just a part of the farm operation.

“The hog barn on my father-in-law’s property was built by his grandpa in the 1950’s or ‘60’s,” said Matt’s wife, Rockael.

Like many farming operations in the mid- to late-1900’s, raising a few feeder pigs was standard for the Cuba, Missouri family. Matt’s great-great-grandpa would feed out about 1,000 head each year, according to his dad, Drew. Eventually, the Stubblefields started raising their own pigs and moved their sows to a pasture setting.

Going in and out of the hog business a few times, the family re-entered the business in the late 1990’s when Drew bought a gilt at the 4-H youth auction and bred her to a neighbor’s Poland China boar. Hogs have resided on the operation ever since.

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Validating Net Energy in Commercial Swine Systems - Gustavo Lima

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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.