ARTICLE 56 FEED & ADDITIVE MAGAZINE September 2025 In today’s dairy landscape, staying competitive means going beyond simply producing more milk. It’s about producing it efficiently, sustainably, and with the long-term health and resilience of cows in mind. Cow health is now recognized not just as an animal welfare concern, but as a core driver of productivity, profitability, and environmental performance. At the heart of this evolution is nutrition, and amino acid (AA) balancing. Of particular interest is the AA methionine (Met) which can be fed to not only maximize milk yield and components, but to also support the immune system, metabolism, and lifetime performance of dairy cattle, especially during periods of stress. WHY COW HEALTH DETERMINES DAIRY SUCCESS Health has always mattered on the farm, but the stakes are higher than ever. Common issues like mastitis, metabolic disorders, and immune suppression don’t just affect production today, they influence the cow’s productive lifespan, reproduction, and the economic viability of the farm. Rumen-protected methionine’s role in cow health and productivity extends beyond milk production to support immune function, metabolism, and resilience during stress. Emerging research highlights its impact on immunometabolism, mTOR signaling, and antioxidant pathways. Across challenges such as the transition period or subclinical mastitis, dietary interventions can influence performance, inflammation, and oxidative stress—raising questions about how targeted amino acid nutrition shapes long-term health, efficiency, and sustainability in dairy herds. SUPPORTING COW HEALTH WITH METHIONINE FOR SUSTAINABLE & PROFITABLE DAIRY PRODUCTION Dr. Danielle Sherlock Global Ruminant Technical & Scientific Support Manager Adisseo Dr. Anne-Sophie Conjat Global Ruminants and Operational Marketing Director Adisseo
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