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Experts outline benefits, risk of retaining ownership

Tracking devices tell us everything from the number of steps we take to the amount of calories we consume to the hours of restful sleep we get at night. That data provides valuable information to those who are seeking it.

While the collection mechanisms are different, tracking data on cattle after they leave the ranch can offer beneficial information to cow-calf producers, said the experts at the Kansas State University Beef Cattle Institute on a recent Cattle Chat podcast.

“One of the best ways to get performance information on the calves after they leave the ranch is to retain ownership of them through the finishing phase,” Phillip Lancaster, beef cattle nutritionist, said in a news release.

Lancaster explains that with this system, the beef producer assumes the expenses through cattle feeding, and the cattle are managed as a separate group than others in the feedyard. Producers can learn the rate of gain and feed efficiency of the cattle that are managed that way.

He said electronic identification via an ear tag allows cattle to be tracked through the finishing phase and provides carcass information post-harvest.

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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.