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New fact sheet supports wean-to-finish pork sustainability calculator

Pork producers play a fundamental role in environmental stewardship as they continue to prioritize sustainable production practices. Iowa State University animal science graduate research assistant Erika Johnson says continuous improvement in this area requires strengthening the understanding of the relationship between the environment and production practices.

"Our recent pork industry sustainability tool, the wean-to-finish pork sustainability calculator, was developed for producers," she says. "They can use their own data to understand how specific improvements in finishing, such as increased feed efficiency and reduced mortality, can influence the environmental footprint of the pig and barn."

A new fact sheet, evaluating Production Metrics in Relation to Sustainability in a Wean-to-Finish Barn, was created as a reference for those using the calculator. It helps explain why the calculator was developed and how the information from calculator inputs can be used. It describes sources of greenhouse gas production and includes sensitivity analyses of carbon dioxide equivalents by mortality, feed efficiency and feed type.

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Porcine Gut Models in Nutrition Research - Dr. Li-Hsuan Chen

Video: Porcine Gut Models in Nutrition Research - Dr. Li-Hsuan Chen



In this episode of The Swine Nutrition Blackbelt Podcast, Dr. Li-Hsuan Chen, postdoc researcher at Aarhus University, discusses how porcine intestinal cell lines and organoids can help study the impact of nutrition on gut health. He explains how in vivo piglet trials identify diet-driven shifts in microbiota and metabolites, while in vitro models allow researchers to test specific metabolites, barrier function, immune markers, and future organ-on-chip systems before moving back to animal studies. Listen now on all major platforms!

"In vitro models can reduce early animal use by helping researchers screen nutritional candidates before moving back to in vivo trials."

Meet the guest: Dr. Li-Hsuan Chen / li-hsuan-chen-9a95a7279 is a postdoc researcher at Aarhus University in Denmark. Research focuses on porcine gut health, host-microbe interactions, cell lines, and organoids, with PhD work at Aarhus University studying how dietary protein and amino acid levels shape gut microbiota, microbial metabolites, and intestinal epithelial responses. Learn more from Dr. Li-Hsuan Chen on The Swine Nutrition Blackbelt Podcast, available on all major platforms.