Evaluation de la durabilité des exploitations bovines laitières des Bassins de la Mitidja et d'Annaba

Abstract : 121 dairy farms of the Mitidja and Annaba basins were the subject of an investigation to collect information on their structure, the land use, and the economic management. A typology of the exploitations made it possible to identify eight types of farming systems differing by manpower, herd size, cultures and practices. The sustainability of these farms was evaluated using 37 indicators describing the agro-environmental, socio-territorial and economic scales. Five groups of systems were identified according to their sustainability scores. The farms of the area of Annaba have higher scores for total and agro-environmental sustainability than those of Mitidja. This study shows the influence of the production system on the parameters contributing to estimate the dairy farms sustainability, particularly with regard to the stock fodder management and the diversification of the cultures. The economic objectives are more important than the social component (formation, social link, isolation). The dynamics of the exploitations were studied by the way of the passed evolutions compared to their actual position as well as to their foreseeable evolutions from recommendations suggested to the stockbreeder. This study showed the assets and the weaknesses of these systems and provides a method usable by the decision makers as well as by the actors of the agricultural sector at various levels of decision, allowing them to elaborate strategies in a perspective of sustainable development.
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Nadia Bekhouche-Guendouz. Evaluation de la durabilité des exploitations bovines laitières des Bassins de la Mitidja et d'Annaba. Sciences agricoles. Institut National Polytechnique de Lorraine, 2011. Français. ⟨NNT : 2011INPL020N⟩. ⟨tel-01749438⟩

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