Annual Farm Equivalents of Using FCM FCM Performance Farm hands Replacement cows New farm 16% increase 5 340 .16 10% increase 4 213 .10 5% increase 2 106 .05 At these rates, using FCM on ALL cows would produce the Equivalent Annual Milk Value of adding these other investments to McCarthy Farm. Values for Improved Health, Reproductive, and Culling Revenue Not Included.