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Article Dans Une Revue Journal of Environmental Management Année : 2014

Environmental impacts of French and Brazilian broiler chicken production scenarios: An LCA approach

Résumé

This study compared the environmental burdens of two broiler chicken production systems in Brazil and two in France. One Brazilian system represents large-scale production in the Center-West region of the country; the other is a small-scale production in the South. One of the French systems represents an extensive broiler chicken production system, known as "Label Rouge"; the other is a standard system. Life-cycle impact assessments were performed using the CML-IA characterization method. The main functional unit adopted was 1 tonne of cooled and packaged chicken, ready for distribution. For the systems and impacts studied, production scale did not affect the environmental impact, but production intensity did. The extensive Label Rouge system had the largest impact among the impact categories studied. This resulted principally from the high feed-conversion ratio of this production system (3.1 kg of feed per kg of live weight) in conjunction with the fact that the feed-production stage contributed most to the overall impact. The contribution of deforestation to the crop-production stage was significant, particularly for climate change, equaling 19% of total emissions of CO(2)eq per tonne of cooled and packaged chicken, in the system of the Center-West of Brazil. The French systems were also affected, since they import crops from Brazil. The system of southern Brazil had less climate change impact because there is no longer deforestation in southern Brazil for crop production.
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Dates et versions

hal-01209179 , version 1 (02-10-2015)

Identifiants

Citer

Vamilson Prudêncio da Silva, Hayo van Der Werf, Sebastião Roberto Soares, Michael S. Corson. Environmental impacts of French and Brazilian broiler chicken production scenarios: An LCA approach. Journal of Environmental Management, 2014, 133, pp.222-231. ⟨10.1016/j.jenvman.2013.12.011⟩. ⟨hal-01209179⟩
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