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Characteristics of Animal Wastes
Table 1. VARIABLES USED TO CHARACTERIZE WASTES Variable Units of Measurement Quantity produced Kg/day Moisture content % Strength, 5-day BOD Mg/liter Solids total Kg/day/unit volatile suspended Nitrogen mg/liter as N ammonia Phosphorus, total pH mg/liter as P
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Table 2. RUNOFF FROM BEEF FEEDLOTS
Variable Units of Measurement (Kg/Day/1000 KG) Reference Quantity produced 5% OF TOTAL Madden and Dornbush(1971) Moisture content - Strength, 5-day BOD 1.67 McCalla and Viets(1969) Solids total 0.10 volatile 0.05 suspended Nitrogen 0.33 Witzel et al.(1966) ammonia 0.11 Phosphorus, total pH
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Table 3. BEEF CATTLE MANURE
Variable Units of Measurement (Kg/Day/1000 KG) Reference Quantity produced Witzel et al.(1966) Am. Soc. Afric. Eng.(1977) Moisture content 85% Strength, 5-day BOD Solids total 7-12 volatile suspended - Nitrogen Taiganides and Hazen(1964) ammonia 0.11 Phosphorus, total 0.18 pH 7.3
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Table 4. DAIRY CATTLE MANURE, STACKED AND STORED
Variable Units of Measurement Reference Quantity produced 50 Kg/day/animal Cramer et. Al. (1971) Strength, COD 160, ,000 mg/liter Solids total 18-30% volatile 75-89% of TS suspended - Nitrogen 4,100-6,900 mg/liter ammonia 700-2,500 mg/liter Phosphorus, total 3,800-6,900 mg/liter pH
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Table 5. LIQUID SEEPAGE FROM STACKED MANURE AND BEDDING
Variable Units of Measurement Quantity produced liter/day/cow Strength, 5-day BOD 4,200-31,000 mg/liter Solids total % volatile % suspended % Nitrogen 1,200-2,900 mg/liter as N ammonia 780-2,200 mg/liter as N Phosphorus, total mg/liter as P pH
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Table 6. DAIRY MANURE CHARACTERISTICS
Variable Units of Measurement (Kg/Day/1000 KG) Reference Quantity produced 36-45 Am. Soc. Afric. Eng.(1977) Moisture content 85% Strength, 5-day BOD Weller(1970) Solids total Hart and Turner(1965) volatile 2.6 Witzel et. al. (1966) suspended 2.0 Nitrogen 0.17 ammonia 0.10 Phosphorus, total 0.05 pH -
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Table 7. HOG WASTE Variable Units of Measurement (Kg/Day/100 KG)
Reference Quantity produced 6.7 Moisture content 75-85% Strength, 5-day BOD Schmid and Lipper(1969) Little(1966) Solids total Clark(1965) Taiganides et. al. (1964) volatile suspended - Nitrogen Hart and Turner(1965) ammonia 0.024 Phosphorus, total pH Townshend et. al. (1969)
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Table 8. POULTRY DROPPING
Variable Units of Measurement (Kg/Day/Bird)1 Reference Quantity produced 0.11 Moisture content 75% Strength, 5-day BOD Little(1966) Solids total 0.03 Dornbush and Anderson(1964) Hart and Turner(1965) Stewart and McIlwain(1971) volatile suspended - Nitrogen Taiganides and Hazen(1964) ammonia Phosphorus, total pH
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