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Analyse environnementale de l’utilisation de sources de protéines européennes pour l’alimentation porcine

Abstract : Replacement of Brazilian soybean meal (BS) associated to deforestation with European protein sources (EPS) was studied to reduce the impact of feed production on climate change. This study examined four EPS: the fine fraction of rapeseed meal (EPS1), soybean meals obtained from an innovative extrusion process with dehulled soybeans (EPS2) or non-dehulled soybeans (EPS3), and Danish protein pastes extracted from green biomass (EPS4). The goal was to estimate environmental impacts of pig production resulting from incorporating EPS in feeds for fattening pigs. Environmental impacts per kg of pig liveweight at the farm gate were estimated using life cycle assessment. Potential benefits were assessed by comparing each scenario with EPS to reference scenarios with “classic” protein sources (including BS). The study considered the recent economic context of four countries (France, Germany, Spain and the Netherlands) for four contrasting years to assess the current potential for using EPS. A second, virtual, context was defined with scenarios favorable to either BS or EPS, and the potential benefit of EPS was then appraised. In the recent economic context, results showed a moderate benefit with EPS because SB had low incorporation rates in the reference formulas (<5%) (little SB to replace). In the virtual context, the benefit of EPS is apparent for climate change, particularly for European soybean meal (reduction of ca. 9%) but with a transfer of pollution to land use (increase of 13%). These results highlight the need for more macroscopic analyses to capture rebound effects.
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  • HAL Id : hal-02479993, version 1
  • PRODINRA : 495053

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Sandrine Espagnol, Cyrielle Delage, Éric Royer, Sylvie Dauguet, Søren Krogh Jensen, et al.. Analyse environnementale de l’utilisation de sources de protéines européennes pour l’alimentation porcine. 52. Journées de la Recherche Porcine, Feb 2020, Paris, France. pp.337-342. ⟨hal-02479993⟩

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