SUSTAINABILITY FEED & ADDITIVE MAGAZINE February 2026 89 ciency. milk and growth productivities, combined with nutritional and performance-driven strategies, ANH aims to deliver emission reductions while supporting sustainable, high-performing livestock systems for farmers and food companies.” Focusing on bromoform, a prominent compound in methane reduction, CH4 Global stands out with an additive based on Asparagopsis, a red seaweed containing this compound. Steve Meller emphasizes CH4 Global’s product-driven approach: “CH4 Global grows Asparagopsis, which is a native seaweed to southern Australia. Our Methane Tamer product consists of whole, dried Asparagopsis. When fed to cattle at just .5 per cent of their daily rations, it has been found to reduce methane emissions by up to 90 per cent. Methane Tamer prevents methanogenesis, the microbial production of methane in rumen. Our study results have shown that feeding Methane Tamer to feedlot cattle as part of their daily diet reduces the feed energy lost to methane production resulting in feed efficiencies, with feedlot cattle putting on more weight with the same feed. We are currently working on dairy and other trials.” Vetos Europe was recently named the “Best Company in Carbon Reduction within the Beef Industry” at the World Finance Carbon Awards 2025. At the heart of this award was Anavrin, Vetos Europe’s flagship solution reported to provide measurable and verifiable methane reduction. Gianluigi Sgarbi focuses on this solution, stating: “Anavrin, a specific and carefully selected blend of essential oils, tannins and bioflavonoids, was developed to support and improve the ruminal functions, while modulating methane production. In particular, the essential oils contained in Anavrin play an important role in the kinetics and activity of certain bacteria, while tannins have positive effects on protein metabolism and inflammation, and bioflavonoids as antioxidants. By keeping a stable ruminal environment, enhancing the total volatile fatty acid production, especially of propionate instead of acetate, and controlling the growth of methanogenic bacteria, Anavrin improves ruminants’ zootechnical performance while curbing methane emissions. The findings, published in peer-reviewed scientific journals, consistently confirm that Anavrin reduces methane emissions from enteric fermentation (from 13% up to 23%), improves production performance in dairy cows (+3.2% to 3.8% in energy and protein corrected milk), and beef cattle (+5.5% to 6% in average daily gain), feed efficiency (by 6% to 8% in beef and dairy), and also health and welfare in some studies. Anavrin technology is grounded in rigorous scientific validation over the past several years by research institutions and universities through both in vitro and in vivo and studies, even under different production systems, animal types and environmental conditions. In all the studies methane mitigation was associated with an improvement in production performance, fundamental point to be really sustainable and in line with the demand of animals’ protein that will characterize the near future.” HOW CAN METHANE REDUCTION EFFICACY BE MEASURED AND TRUSTED? In recent years, many different solutions and product options for methane reduction in ruminants have been developed, and development continues. But how should the efficacy of these solutions be measured? How do we decide which standards and solutions to move forward with? Experts believe that methane reduction should be evaluated not just through emission outputs, but alongside animal performance, health, and economic returns. The need for measurement technologies and standardization is critical for reliability and widespread adoption in this field. Jason Jeong-Hoon Kim emphasizes the importance of measurement and standardization: “Strong scientific evidence is the foundation of credibility. Controlled animal trials conducted under industry-relevant feeding and management conditions with reliable measurement technology, such as GreenFeed, supported by peer-reviewed publications, are essential for evaluation. Further, efficacy of nutritional solutions for methane reduction should be evaluated using a holistic, system-based framework
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