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i <br /> t'ass Balance o� �Dltlroge>ta L.oadang <br /> urate loading calculations for properties: <br /> Definition;Au is the abbreviation for animal unit.One animal unit represents 1000 lbs.of body weight. <br /> Nitrogen content of manure from dairy cattle: <br /> Classification of cow: Lbs.N per Au <br /> «'sLactating cows .56 lbs. <br /> Bry cows .45 lbs. <br /> 3red Heifers .45 lbs. <br /> Heifers .45 lbs. <br /> Calves .45 lbs. <br /> /rBaby calves .45 lbs; <br /> Animal units for typical Holstein dairy cattle,generally accepted by the State Water Quality Control Board: <br /> Lactating cow 1.4 Au's <br /> [wry cows 1A2 Au's <br /> Bred Heifers 1.02 Au's <br /> Heifer(1 yr.-bred) 1.02 AU's <br /> Calves(3 mo.-1 yr.) .49 Au's <br /> Baby calves .29 Au's <br /> ('Nitrogen Production Calculations <br /> Projected animal units: Animals A.U.'s each A.U.'s <br /> FLactating cows 960 1.4 1344 <br /> Dry cows 156 1.12 175 <br /> Bred Heifers 507 1.02 517 <br /> Heifers(1 yr.-breeding) 169 1.02 172 <br /> Calves 507 0.49 248 <br /> aby calves 169 0.29 49 <br /> -Nitrogen Production <br /> Flushed Freestalls <br /> i Type of Animal A.U.'s Ib of Nlday Nlday <br /> Lactating cows 1,344 0.56 753 <br /> Dry cows 0 0.45 0 <br /> r��,red Heifers 517 0.45 233 <br /> eifers(1 yr.-breeding) 0 0.45 0 <br /> alves 248 0.45 112 <br /> Baby cafes 49 0.45 22 <br /> /-"Total lbs.N per day before losses 1,119 <br /> I-P'lushedFeed Lane <br /> Lactating cows 0,55 0 <br /> rry cows �r y fJ4; 0.45 0 <br /> red Heifers i "0 0.45 0 <br /> ,ie€fers.(t yr.-breeding) , :;sl1 0.45 0 <br /> Calves �T'U 0.45 0 <br /> Baby calves ,;,v: r.:(l` 0.45 0 <br /> Total lbs. N per day before losses 0 <br /> Scraped Corral <br /> _actating cows 0.56 0 <br /> Dry Cows 0.45 79 <br /> ,Bred Heifers gt ;"Q,I 0.45 0 <br /> Heifers(1yr.-breeding) a ^x'172 0.45 78 <br /> Calvest o. 0.45 0 <br /> Baby calves q ' D 0.45 0 <br /> Total tbs.N per day before losses 156 <br /> �t <br /> t p <br /> I <br />