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Sammenligning af miljøpåvirkningen af konkurrerende jordbrugsprodukter
Bilag B
Pig production in The Netherlands
Imke de Boer & Jacob Madsen
B.1. Feed inputs
Data on feed inputs into Dutch pig production is provided in table B.1.
Table B.1. Typical Feed composition for Dutch pigs.
| Component |
Fattening pigs |
Sows |
| Beet pulp |
1% |
6% |
| Citrus pulp |
0% |
8% |
| Molasse |
3% |
3% |
| Palmkernel expeller |
5% |
10% |
| Rapeseed extracted |
3% |
4% |
| Rye |
1% |
0% |
| Soyabean meal |
12% |
10% |
| Sunflower expeller |
0% |
4% |
| Tapioca |
18% |
13% |
| Triticale |
24% |
19% |
| Wheat |
11% |
0% |
| Wheat middlings |
18% |
19% |
| Others |
5% |
5% |
B.2. Emissions
Data on emissions of nitrogen-containing substances and methane from Dutch pig production is provided in table B.2 and B.3.
Table B.2. Nitrogen emissions from Dutch pig production. All data refers to 1 animal in 1 year. 1) Refers to summer feeding.
| |
|
Breeding sows + piglet (<25 kg) |
Rearing sow
(25 kg – breeding) |
Rearing boars
(25 kg – 7 months) |
Breeding boars
(>7 months) |
Fattening pigs |
| N-excr /yr |
kg N |
28.1 |
11.8 |
11.0 |
21.1 |
11.7 |
| Nexcr |
house |
28.1 |
11.8 |
11.0 1 |
21.1 1 |
11.7 |
| N-excr |
meadow |
0.0 |
0.0 |
0.0 |
0.0 |
0 |
| NH3 house |
kg N |
7.24 |
3.66 |
3.66 |
5.03 |
3.66 |
| NO house |
kg N |
0.028 |
0.012 |
0.011 |
0.021 |
0.012 |
| N2O house |
kg N |
0.028 |
0.012 |
0.011 |
0.021 |
0.012 |
| N2 house |
kg N |
0.281 |
0.118 |
0.110 |
0.211 |
0.117 |
| N storage |
kg N |
7.0 |
3.0 |
2.8 |
5.3 |
2.9 |
| NH3 storage |
kg N |
0.14 |
0.06 |
0.06 |
0.11 |
0.06 |
| NO storage |
kg N |
0.01 |
0.00 |
0.00 |
0.01 |
0.00 |
| N2O storage |
kg N |
0.01 |
0.00 |
0.00 |
0.01 |
0.00 |
| N2 storage |
|
0.07 |
0.03 |
0.03 |
0.05 |
0.03 |
| NH3 meadow |
kg N |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
| NH3 total |
kg NH3 |
8.96 |
4.52 |
4.51 |
6.24 |
4.52 |
| N-spread |
kg N |
20.3 |
7.9 |
7.1 |
15.6 |
7.8 |
Table A.3. Methane emissions from Dutch pig production. All data are kg CH4 per animal per year.
| |
Breeding sows
+ piglet (<25 kg) |
Rearing sow
(25 kg – breeding) |
Rearing boars
(25 kg – 7 mths) |
Breeding boars
(>7 mths) |
Fattening pigs |
| Entheric |
1.5 |
1.5 |
1.5 |
1.5 |
1.5 |
| Manure storage |
15.3 |
3.9 |
3.9 |
9.6 |
3.6 |
| Total |
16.8 |
5.4 |
5.4 |
11.1 |
5.1 |
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Version 1.0 August 2005, © Miljøstyrelsen.
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