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California Dairy Farmers are Saving Money—and Cutting Methane Emissions—By Feeding Cows Leftovers

By Pam Knox 

If you’re a dairy farmer, feeding leftovers or scraps to cows is nothing new. As long as you keep their diets well balanced, cows can eat a surprising variety of things and stay healthy. But feeding leftovers to cattle also provides another benefit–it reduces food waste, one of the biggest contributors to greenhouse gas emissions. Here is a recent story about California dairies’ use of almond hulls, spent grains, and other leftover food to cut methane emissions by diverting edible food products out of landfills, where they produce methane as they decompose. You can read it at Inside Climate News here.

California Dairy Farmers are Saving Money—and Cutting Methane Emissions—By Feeding Cows Leftovers

Source : uga.edu

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How Swine Nutrition Can Revolutionize Biogas Production - Dr. Felipe Hickmann

Video: How Swine Nutrition Can Revolutionize Biogas Production - Dr. Felipe Hickmann


In this episode of The Swine it Podcast Show Canada, Dr. Felipe Hickmann from Laval University explores how nutritional strategies and manure management impact biogas production in pig farming. He breaks down the science behind anaerobic digestion at low temperatures and explains how dietary adjustments affect methane production and environmental sustainability. Learn how producers can reduce emissions and improve resource efficiency. Listen now on all major platforms!

"Lowering crude protein can reduce nitrogen in manure, but only if animal intake doesn’t compensate by increasing feed consumption."

Meet the guest: Dr. Felipe Hickmann / felipe-hickmann-963853a6 is a PhD research assistant at Laval University, specializing in swine and poultry sustainability. With extensive experience in manure management, nutritional strategies, and precision livestock technologies, he contributes to improving environmental outcomes in animal agriculture.