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CONVERSION OF TOTAL HEAD TO ANIMAL UMS (A.0 <br /> Head Multiplier Animal Units <br /> Milk Cows 1000 1 1000 <br /> Dry Cows 170 0.75 127.5 <br /> Springers 100 0.75 75 <br /> Heifers 1-2 yrs 400 0.7 280 <br /> t Calves3mo-lyr 320 0.4 128 <br /> Baby Calves 1200 0.25 30 <br /> total 2110 16405 <br /> The following evaluations are to ddermine net A.U. to be applied to cropland nereag <br /> F Total A.U. % Flush/yr. % coll./F1us1 A. U. in pit <br /> Milk Cows 1000 100% 80% 800.00 <br /> Dry Cows 127.5 75% . 45% 43.03 <br /> Springers 75 75% .45% 25.3125 <br /> Heifers 1-2yrs 280 75% 45% 94.50 <br /> Calves 3mo-lyr 128 50% 45% 28.80 <br /> Baby Calves 30 0% 0% 0.00 <br /> Total 991.64375 <br /> NET L UNITS IN PIT 991.64 <br /> The total gross acreage for this dairy site is- 474 ac_ <br /> Total acreage in use, other than irrigable cropland (all land not farmed) 30 ac. <br /> This gives us a net irrigable cropland acreage of, (farmland only) 444 ac. <br /> By dividing net A.U. by net acreage, we have net A.U. per. acre. 2.23 A.U. <br /> NITROGEN LOADING <br /> Net A . U . = 991.6 X 0.4 lbs.N/day X 365 days/year X 0.5 percent <br /> denitrification / 350 lbs./acre/year= acres needed 207 acres <br /> SALT LOADING <br /> Net A . U . = 991.6 X 1.79 lbs. salt/day X 365 days/yr./ 3000 lbs./acre/yr. _ <br /> acres needed 216 acres <br /> Since we have 444 acres we have exceeded the minimum acreage for NITROGEN by 114.67 0% <br /> and SALT by 105.590% <br />