| TABLE
81. DUCK HOUSE WHOLE LITTER CHARACTERISTICS * |
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| Parameter |
Unitsa |
Total |
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Parameter
Concentration |
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Parameter
Mass |
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No of |
------------------------------------------------------------------------------- |
---------------lb/day/----------- |
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Observ |
minimum |
maximum |
median |
mean |
std dev |
bird |
1000 lb |
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| Litterb |
lb/3 lb/day |
estc |
- |
- |
- |
0.17 |
- |
0.17 |
58 |
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| Density |
lb/ft3 |
est |
- |
- |
- |
50 |
- |
- |
- |
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| TS |
%wb |
13 |
30 |
46 |
37 |
37 |
5.5 |
0.064 |
21 |
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| VS |
%db |
1 |
66 |
66 |
66 |
66 |
- |
0.042 |
14 |
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| TKN |
lb/ton |
11 |
12 |
20 |
18 |
17 |
2.4 |
0.0015 |
0.49 |
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| NH3N |
%tkn |
est |
- |
- |
- |
22 |
- |
0.00032 |
0.11 |
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| P2O5 |
lb/ton |
11 |
13 |
28 |
23 |
21 |
4.7 |
0.0019 |
0.62 |
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| K2O |
lb/ton |
11 |
8.1 |
20 |
13 |
13 |
3.3 |
0.0011 |
0.37 |
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| Ca |
lb/ton |
9 |
13 |
35 |
20 |
22 |
6.0 |
0.0019 |
0.62 |
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| Mg |
lb/ton |
10 |
2.1 |
4.5 |
3.2 |
3.3 |
0.66 |
0.00029 |
0.096 |
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| S |
lb/ton |
10 |
1.9 |
5.7 |
2.6 |
3.0 |
1.1 |
0.00026 |
0.087 |
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| Na |
lb/ton |
7 |
2.3 |
3.8 |
2.9 |
3.0 |
0.54 |
0.00026 |
0.086 |
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| Fe |
lb/ton |
10 |
0.31 |
3.6 |
0.75 |
1.3 |
1.2 |
0.00011 |
0.038 |
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| Mn |
lb/ton |
10 |
0.19 |
0.50 |
0.37 |
0.37 |
0.090 |
0.000032 |
0.011 |
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| B |
lb/ton |
10 |
0.013 |
0.029 |
0.021 |
0.021 |
0.0055 |
0.0000018 |
0.00059 |
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| Mo |
lb/ton |
1 |
0.00040 |
0.00040 |
0.00040 |
0.00040 |
- |
0.000000035 |
0.000012 |
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| Zn |
lb/ton |
10 |
0.13 |
0.44 |
0.35 |
0.32 |
0.094 |
0.000028 |
0.0092 |
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| Cu |
lb/ton |
9 |
0.018 |
0.12 |
0.036 |
0.044 |
0.028 |
0.0000038 |
0.0013 |
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| *
References:Biological & Agricultural
Engineering Dept, North Carolina State University, Jan 1994. |
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Agronomic
Division, North Carolina Department of Agriculture & Consumer Services. |
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| a
All concentrations as is or wet basis (wb) except as noted dry matter basis
(db); all mass values wb. |
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| b
Annual manure and litter accumulation; typical litter base is sawdust,
wood shavings, or peanut hulls. |
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| c
Mean value extrapolated from other data; measured values not available. |
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