In a recent trial conducted at the Roden Estate in Shropshire, 420 Holstein Friesian cows and heifers were divided into two equal groups. Milking was three times per day, with an average yield of 9,500 litres. One group was supplemented with yeast in the TMR.

Total Mixed Ration
• Maize silage, grass silage and pressed pulp
• Waste bread
• Pot ale syrup
• Soya bean and Rapeseed meal
• Nutritionally improved straw
• Fat
• Vitamins and minerals

Analysis – 19% CP, 34% NDF, 12.5 ME, 25.2% starch + sugar.