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Dairy Farm Modeling Tool Boosts Sustainability, Decision-Making

By Krisy Gashler    

A new free modeling tool is enabling researchers, farmers and food processors to assess how changes in the ways a dairy farm is managed would influence its environmental impact, energy use and economics. The Ruminant Farm Systems (RuFaS) modeling tool, developed by Cornell researchers and collaborators across academia, industry, government and nonprofits, is available at no cost for open-source collaboration.

Cornell researchers created the scaffolding for the model and worked with collaborators to integrate Cornell and other dairy farm research on factors like animal feed, crop growth and milk production. The model predicts outcomes such as production costs, resource use and greenhouse gas emissions.

Cornell’s Department of Animal Science in the College of Agriculture and Life Sciences (CALS) has led development of the model, with support from the College of Veterinary Medicine (CVM) and Cornell Atkinson Center for Sustainability.

The model synthesizes a vast array of factors and can accommodate additions of new research from multiple collaborators, said Daryl Nydam, professor of dairy health and production in CVM.

Source : cornell.edu

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

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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.