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Sammenligning af miljøpåvirkningen af konkurrerende jordbrugsprodukter
Table C.6: Methane emissions from pig slurry management in Spain. * Source: http://www.mapya.es/es/ganaderia/pags/Emisiones_gases/emisiones.htm [on-line: 03.06.2004]
| Category |
Num. Places |
Num. 100kg
pigs per year |
Average excretion of volatile solids (VS)
kg |
Specific weight methane
kg/m3 |
Potential methane productivity
m3/kg VS |
Regional methane conversion factor |
Emissions per place
kg CH4 |
TOTAL per farm
kg CH4 |
TOTAL per pig
kg CH4 |
| A |
X |
B* |
C* |
D* |
E* |
F=B*C*D*E |
G=A*F |
H=G/X |
| Closed-cycle production
sows (System 1) |
400 |
8035 |
1,185 |
0.67 |
0.45 |
Table C.7 |
141 |
56552 |
7.04 |
| System 2 |
Sows with piglets
up to 20 kg |
1500 |
28563 |
445 |
0.67 |
0.45 |
Table C.7 |
53 |
79651 |
2.79 |
| Fattening pigs
20-100 kg |
11877 |
28563 |
134 |
0.67 |
0.45 |
Table C.7 |
16 |
189207 |
6.62 |
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Version 1.0 August 2005, © Miljøstyrelsen.
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