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Dairy Farms Reduce Emissions With Seaweed Feed Supplement

Dairy Farms Reduce Emissions With Seaweed Feed Supplement

Blue Ocean Barns will supply some dairy farms in California with a feed supplement made from dehydrated red seaweed. The state’s Department of Food and Agriculture approved the product for commercial use last month. Blue Ocean claims the supplement reduces methane emissions from cow burps by 45–80%. The company has been growing seaweed at commercial scale since 2020. Last fall DSM introduced the additive 3-nitrooxypropanol, which it says reduces methane emissions by 30%.

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Alternatives to Antibiotics - Dr. Luciana Rossi

Video: Alternatives to Antibiotics - Dr. Luciana Rossi



In this special re-run episode of The Swine Nutrition Blackbelt Podcast, we bring back our conversation with Dr. Luciana Rossi, Associate Professor at the University of Milan, who discusses alternatives to antibiotics in swine nutrition. She explores antimicrobial resistance, the role of functional ingredients, and the potential of biochar in improving gut health and sustainability. Tune in now on all major platforms!

"Biochar, a vegetable charcoal produced by pyrolysis, has shown potential in reducing diarrhea incidence and improving gut health in weaning piglets."

Meet the guest: Dr. Luciana Rossi https://www.linkedin.com/in/luciana-r... is an Associate Professor at the University of Milan, specializing in animal nutrition, biotechnology, and innovative feed strategies. Her work focuses on functional ingredients, edible vaccines, and alternatives to antimicrobials to improve swine health and sustainability. Her research advances nutritional solutions that reduce disease risk and environmental impact.