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TOTAL ANIMALS ANIMAL UNIT TOTAL ANIMAL UNITS <br /> 1100 Milk Cows x 1.4 = 1540 <br /> 250 Dry Cows x 1.2 = 300 <br /> 500 Bred Heifers x 1.1 = 550 <br /> 270 Heifers 1-2 yr x 1.1 = 297 <br /> 95 Calves x 0.5 = 48 <br /> 40 Baby x 0.25 = 10 <br /> Nitrogen loading from liquid waste for milk cows only: <br /> 1540 AU x 0.56 lbs N/AU/day x 0.1(10% waste into wastewater)x 50%N retention x 365 d= <br /> 15,739 lbs N/yr <br /> Nitrogen loading from dry waste for milk cows only: <br /> 1540 AU x 0.56 lbs N/AU/day x 0.9 (90% waste into solids) x 25%N retention x 365 d = <br /> 70,825 lbs N/yr <br /> _ Nitrogen loading from dry waste from dry stock only: <br /> 1205 AU x 0.45 lbs N/AU/day x 0.75 (75%waste into solids) x 25%N retention x 365 days = <br /> 37,110 lbs N/yr <br /> TOTAL N AVAILABLE IN DRY WASTE = 107,935 lbs N <br /> TOTAL N AVAILABLE IN LIQUID WASTE= 15,739 lbs N <br /> TOTAL N PRODUCTION FOR TOSTA DAIRY FACILITY= 123,674 lbs N <br /> CROPLAND NITROGEN REQUIREMENTS <br /> The existing cropland which is a part of the dairy facility totals 413 acres. All acreage is planted <br /> yearly and rotated in silage corn and winter oats: <br /> Corn silage =250 lbs N/Ac x 413 Ac = 103,250 lbs N required <br /> Oats = 115 lbs N/Ac x 413 Ac = 47,495 lbs N required <br /> TOTAL 150,745 lbs N required <br /> Therefore, a theoretical nitrogen deficit of(150,745 lbs - 123,674 lbs) =27,000 lbs of N occurs <br /> on the cropland farmed by the Tosta's. <br /> 7 <br /> vaffey.Ilg Ppearck <br />