Footprint of entire male pigs in Europe (pdf)

Ending piglet castration in the EU results in a lower footprint of in total 4.4 million ton CO2 equivalents per year. Producing boars instead of barrows results in a better feed utilization and thus a lower footprint. The estimated carbon footprint of entire male pigs ranged from 3.57 to 4.00  kg CO2 equivalents per kg live wight, and from 3.93 to 4.28 kg CO2 equivalents per kg live weight for castrated male pigs. This equals to 300.000 ha land use annually saved.

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