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Conduites de troupeaux ovins en extensif

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  • [Sdv:Sa:Zoo] Life Sciences/Agricultural Sciences/Zootechny
  • [Sdv:Sa:Zoo] Sciences Du Vivant/Sciences Agricoles/Zootechnie
  • Economics


Revue Conduites de troupeaux ovins en extensif Benoit Dedieua Jean-Marc Chabosseaub Marc Benoit’ Gabriel Laignelc a Inra, départements SAD et ENA, laboratoire adaptation des herbivores aux milieux, 63122 Saint-Genès-Champanelle, France b Inra, station d’amélioration des plantes fourragères, 86500 Lusignan, France ! Inra, LEE, 63122 Saint-Genès-Champanelle, France (Reçu le 24 avril 1998 ; accepté le 8 juillet 1998) Abstract - Diversity of flock management in extensive conditions. Management practices in 13 extensively farmed sheep flocks (stocking level less than 1 LU.ha-I principal forage surface) in Montmorillonnais (a west-central region of France) were analyzed with attention to three components of the farming projects: autonomous foraging goals (breeding based on grass), attention to buyers’ requests (records of first semester sales) and simplicity of flock management. Three different farming styles were identified that either limited the amount of concentrate used, encouraged sales early in the year, or that involved both of these factors. In the most autonomic systems, savings in concentrate concern either the ewes and the lambs. A simple farming style, indicated by a stable grouping of ewes, was observed in situations where the farmer was the only permanent employee (four out of six cases). The technical and economic performances (gross margin per ewe) were more or less equivalent whatever the management style or ewe grouping. Taking into account the spreading of lambing throughout the year, the different ways of grouping ewes and the changes in stocking level during the winter all helped to clarify the technical questions associated with extensive farming. © Elsevier / Inra extensive farming / sheep systems / flock management / breeding projects Résumé — Les pratiques de conduite de 13 troupeaux ovins extensifs (chargement inférieur à 1 UGB!ha ’ SFP) du Montmorillonais (Centre Ouest) sont analysées en référence à trois déterminants des projets d’élevage : la re

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