Energy Corrected Milk and Feed Efficiency Calculator

  • Energy Corrected Milk determines the amount of milk produced adjusted to 3.5% butterfat and 3.2% protein.
  • Feed Efficiency measures the cows ability to convert dry matter feed into milk pounds. It is the ratio of pounds of milk produced per pound of dry matter feed.
  • For the best user experience, use the latest Chrome or Safari browser. Internet Explorer browsers prior to IE9 not supported.
  • Calculations were made based on the Progressive Dairyman and the Penn State Dairy Extension.
Energy Corrected Milk
Lbs/Day
Fat %
Protein %
Fat Lbs
Protein Lbs
ECM
Feed Efficiency Ratios
Group DIM Baseline FE Ratio Group DMI Group FE Ratio
All Cow 150 - 225 1.4 to 1.6
1st Lactation < 90 1.5 to 1.7
1st Lactation > 200 1.2 to 1.4
2nd Lactation < 90 1.6 to 1.8
2nd Lactation > 200 1.3 to 1.5
Fresh Cow < 21 1.5 to 1.6
Problem Cow 150 - 200 < 1.3