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Comment évoluer vers davantage d’autonomie au sein des systèmes de polyculture-élevage ? : l’expérience d’une ferme expérimentale en marais

Abstract : This study shows how a research collective modified the mixed crop-livestock system used by INRAE's experimental farm in Saint Laurent de la Prée (between 2009 and 2017) and thus increased feed self-sufficiency for the farm's livestock herd. Notably, links between crop and livestock production were strengthened. We used data on the farm's structure and function to illustrate a potential pathway to feed self-sufficiency. We examined the changes made to the production system and explored the reasons behind the choices made. Key indicators show that feed self-sufficiency was attained after six years. Using a system for scoring coupling strength, we found that the degree of coupling between crop and livestock production went from intermediate (2009–2012) to high (2013–2017). We identified the key challenges associated with transitioning to feed self-sufficiency and explored how the farm's new circumstances translated into technical and economic performance. Finally, the farm recently converted to organic production, opening the door to new possibilities for maintaining or even improving feed self-sufficiency, as well as other forms of self-sufficiency (e.g., straw, nitrogen, energy).
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https://hal.inrae.fr/hal-03140216
Contributor : Eric Marchoux <>
Submitted on : Friday, February 12, 2021 - 4:13:18 PM
Last modification on : Saturday, February 13, 2021 - 3:32:21 AM

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Daphné Durant, G. Martel, Claude Chataigner, Anne Farruggia, E. Kernéïs, et al.. Comment évoluer vers davantage d’autonomie au sein des systèmes de polyculture-élevage ? : l’expérience d’une ferme expérimentale en marais. Fourrages, Association Française pour la Production Fourragère, 2020, pp.21-34. ⟨hal-03140216⟩

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