After almost ten years of Evolution, it’s fair to say the range has evolved — and Yield Guard is the next step forward. Built on the same proven soya-free principles, it helps cows make the most of every bite, supporting rumen health, steady yields and a lower carbon footprint.
Why choose Evolution Yield Guard?
Dairy farming has never been straightforward, and it’s getting tougher to balance good performance with environmental responsibility. Yield Guard takes a science-led yet practical approach, combining proven feed technologies that help cows make better use of what they eat. It’s about improving rumen function, supporting milk output and doing it all more efficiently — which means less waste and a smaller carbon cost per litre of milk.
While sustainability is still a big focus, there’s growing talk about resilience. Markets shift, feed prices change and the weather can turn things upside down overnight. Building resilience means setting up your herd and feeding system to cope with whatever comes along. Yield Guard helps by improving nutrient use and keeping the rumen stable, making performance more reliable day in, day out.
Powered by Actisaf® and Optimilk®
At the centre of Yield Guard are two complementary feed technologies that work together to support rumen efficiency. Actisaf® Sc47 live yeast from Phileo by Lesaffre has been proven in over twenty independent trials to improve feed efficiency and milk yield. Its verified Life Cycle Assessment shows a 5% reduction in CO₂e per litre of milk, equal to around 56 tonnes of CO₂e saved for every million litres produced.
Optimilk® from Neofeed is a natural blend of aromatic compounds that help the rumen use protein and energy more effectively. Trials across Europe and Ireland have shown consistent benefits for milk production, lower milk urea, and better fertility.
Together, these two technologies help the rumen’s microbes work smarter, turning more feed into milk and less into methane.
A natural fit within the Evolution range
The Evolution range already helps farmers meet processor requirements for soya-free and palm-free diets, supporting sustainability targets across the supply chain. Yield Guard strengthens that approach, improving rumen health, nutrient use and feed efficiency — all key parts of building a more resilient and productive herd.
Real gains, lasting benefits
On-farm results have shown steady, positive improvements in areas like rumen stability, fertility, production and overall feed efficiency. The exact gains will always depend on each herd and system, but the trend is clear — Yield Guard supports a more balanced and dependable feeding approach. It fits easily into any soya-free or palm-free Evolution formulation, helping farmers get more from their cows while keeping performance consistent and emissions under control.
Moving dairy nutrition forward
By bringing together proven microbial science and practical on-farm performance, Evolution Yield Guard offers a smarter, more responsible way to feed dairy cows. It supports healthier rumens, steadier yields and stronger long-term resilience — good for the cows, good for the farm, and good for the planet.