Table 3.
The contributions of different sources to the carbon footprint of the pork production chain.
| Reference | Transportation | Feed Production | Pig Production | Enteric Fermentation | Manure Management | Slaughtering | 
|---|---|---|---|---|---|---|
| [2] | 8.2% | 42.6% | 3.8% | 3.1% | 39.2% | - | 
| [3] | - | 46.0% | 15.0% | 5.0% | 34.0% | - | 
| [6] | 2.2% | 28.6% | 2.7% | 9.6% | 56.9% | - | 
| [7] | 2.2% | 27.8% | 2.6% | 9.3% | 42.9% | - | 
| [8] Smallholder | 5.0% | 26.0% | 17.0% | - | 50.0% | - | 
| [8] Medium scale | 10.0% | 68.0% | 11.0% | - | 20.0% | - | 
| [8] Industrial scale | 10.0% | 68.0% | 14.0% | - | 19.0% | - | 
| [9] | - | 65.0% | 5.0% | 4.0% | 19.0% | 7.0% |