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CURRENT NITROGEN PRODUCTION <br /> TOTAL ANIMALS ANIMAL UNIT TOTAL ANIMAL UNITS <br /> 1200 Milk Cows x 1.4 = 1680 <br /> 200 Dry Cows x 1.2 = 240 <br /> 1000 Heifers x 1.1 = 1100 <br /> 100 Calves x 0.5 = 50 <br /> 50 Baby x 0.25 = 12 <br /> SUBTOTAL MILK COWS AUs ........................................ 1680 <br /> SUBTOTAL DRY STOCK AUs ........................................ 1402 <br /> TOTAL ANIMAL UNITS .................................................. 3082 <br /> NITROGEN LOADING - LIQUID WASTE FROM MILK COWS ONLY: <br /> 1680 AU x 0.56 lbs N/AU/day x 0.8 (80% waste handled as a liquid, 20% handled dry) x 25%N <br /> retention x 365 d= 68,678 lbs N/yr <br /> NITROGEN LOADING - DRY WASTE FROM MILK COWS ONLY: <br /> 1680 AU x 0.56 lbs N/AU/day x 0.2 (20%handled dry) x .75 (75% solids)x 25%N retention x <br /> 365 d = 12,877 lbs N/yr <br /> NITROGEN LOADING - LIQUID WASTE FROM DRY STOCK ONLY: <br /> 1402 AU x 0.45 lbs N/AU/day x 0.6 (60% handled as liquid) x 25%N retention x 365 days-- <br /> 34,542 <br /> 34,542 lbs N/yr <br /> NITROGEN LOADING - DRY WASTE FROM DRY STOCK ONLY: <br /> 1402 AU x 0.45 lbs N/AU/day x 0.40 (40%handled dry) x .75 (75% solids) x 25%N retention x <br /> 365 days= 17,271 lbs N/yr <br /> TOTAL N AVAILABLE IN DRY WASTE =30,148 lbs N <br /> TOTAL N AVAILABLE IN LIQUID WASTE= 103,220 lbs N <br /> TOTAL N PRODUCTION FOR QUARESMA DAIRY FACILITY= 133,368 lbs N <br /> 8 <br /> Va!!ey Ag Research <br />