Changes in feed efficiency at Heenandale farm have allowed Stephen and Hazel Wallace to make savings in feed costs while delivering an increase in milk output.A review of benchmarking figures for the 2019 calendar year by Dairylink adviser Aidan Cushnahan shows milk yield per cow is up by 1.4% and meal fed per cow is down by 12%. Milk from forage has increased by almost 1,000 litres to 2,429 litres per cow.