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Sustainability Is the Future, and Dairy Is Key Part of the Solution

By Melvin Medeiros

COWS CAN BE SUSTAINABILITY SOLUTIONS

As a dairy farmer whose family business has been milking cows for 53 years, here’s what I think: The dairy cow is the most efficient animal on Earth today.

It can be a central source of energy for the human body, and it could be a net exporter of energy for society — with the right policies in place. California cows can be sustainability solutions.

Dairy farmers for generations have dealt with changing weather patterns and moisture challenges, and it’s made us proactive. Research shows that producing a gallon of milk in 2017 required 30% less water, 21% less land, had a 19% smaller carbon footprint, and produced 20% less manure than in 2007.

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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.