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Article Dans Une Revue International Journal of Agricultural Sustainability Année : 2021

Does mixing livestock farming enterprises improve farm and product sustainability?

Résumé

Mixed farming systems are gaining interest both as a risk management strategy and to apply agroecological principles. This study set out to assess the sustainability of mixed systems compared to their specialized counterparts. The Orfee bioeconomic farm model was used to simulate three mixed farms: beef and dairy, beef and sheep, and cash crop and beef, under 1990-2017 prices and policies in France. Several sustainability criteria were computed at two scales (i) aggregated farm level, to assess whether mixed farms with several integrated enterprises performed better than if these enterprises were managed in specialized farms, and (ii) unit of product or labour to assess whether a product was produced more sustainably and a worker obtained higher and more stable income in a mixed farm. We found that mixed farms had less work peaks, lower global warming potentials and nitrogen balances, lower total production costs, higher and more stable net incomes than if their enterprises were managed in two specialized farms. However, profitability and income variability of the mixed farms were not better than the best performing specialized farm. The consumption of concentrate feed decreased in the mixed livestock farms but increased in the beefcrop farm that degraded feed-food competition.
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hal-03252898 , version 1 (08-06-2021)

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Claire Mosnier, Marc Benoit, Jean-Joseph Minviel, Patrick Veysset. Does mixing livestock farming enterprises improve farm and product sustainability?. International Journal of Agricultural Sustainability, 2021, pp.1 - 16. ⟨10.1080/14735903.2021.1932150⟩. ⟨hal-03252898⟩
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