Health Seaweed Supplement Reduces Methane Emissions in Cattle by Dr Natalie Singh - Health Editor April 20, 2026 by Dr Natalie Singh - Health Editor April 20, 2026 Seaweed Supplements Dramatically Reduce Methane Emissions in Cattle, New Study Confirms Adding a specific type of seaweed to cattle feed can slash methane emissions from beef and dairy cows by … 0 FacebookTwitterPinterestEmail