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Monday,June 25, 2001 4 06 PM California Dairy Campaign 209-632-0706 p.05 <br /> '". <br /> Step 6 Calculating nitrogen loading from dy waste milk cows _ <br /> lbs <br /> Wyear <br /> 1540 AU(step 1 a)x 0.56 3s N/AUNay(tablet).20 x.75 x 25%N retention x365= 11804 <br /> 0 AU step 2a)x 056>s N/AU10ay table2).40 x.75 x 2556 N retention x385= 0 <br /> 0 AU 3a x 0.56 xs N/AU .75 x 25%N retention x365- 0 <br /> Subtotal: 11804 <br /> Subtract amount exported(a arty): n <br /> Total N available in dry waste: 11804 <br /> Totals from step 5+step 7 Total N available in liquid waste: (88) 62956 <br /> Totals from step 6+step 8 Total N available In dry waste: (8b) 38773 <br /> Total N available: (80 101726 <br /> Step 9 Use this section for dairies where all animals are in dry corrals or where o" <br /> of freestalls are scrapped. Typically 10%of the waste from the milt cows Is carried in <br /> the waste water. <br /> t M Head Table S1 AU <br /> Milk Cows 0 x 1.4 = 0 AU 9 <br /> Calculate nitrogen from liquid waste: <br /> 0 AU milk cows x_0.56 ms WAUIDaV x.1 x 0.25 N reterdian able 3 x 365=lbs NIVear 0 a <br /> Calculate nitrogen from dry waste: <br /> 0 AU milk caws x 0.56 lbs WAU x,9 x 0.75 x 25%N retention table 3 x 365-Its. r 0 b <br /> No.of <br /> Dry Stock Only Head Table 01 AU <br /> Dry Cows 180 x 1.2 216 <br /> fired Hers 350 x 1.1 385 <br /> Heifers(1 year to breading) 80 x 1.1 as <br /> Calves(3 months to one year) 350 x 0.5 175 <br /> Baby Calves 90 x 0.13 11.7 <br /> Total AU 875.7 <br /> Total Animal Units(9+9c): 875.7 <br /> lCalcullate nWo~loathng(dry waste only,dry stock) NAOW <br /> 876 AU c x .45 lbs N/AU/dav x .75 x 25%N retention x 365 26969 N e <br /> Total N available In dry waste:(9b+9a)a 26868 lbs (9Q <br /> Total N available in liquid waste:(9a only)= 0 lbs (9g) <br /> Total N output for dairy.(9a+9b+9c)* 26969 lbs (9h) <br />