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La gestion des fins de bande en élevage porcin : analyse des stratégies décisionnelles des éleveurs et des enjeux économiques associés

Abstract : To maintain a profitable pig delivery, some farmers delay the last marketing from the batch so that the lightest pigs reach the optimal weight before their delivery to the slaughterhouse. According to the field investigation carried out in 22 farrow-to-finish farms in Western France, different strategies were identified, such as an increased number of departures per batch or, when the rooms have to be emptied, the transfer of the last pigs to the following batches or to specific facilities. But these practices may have negative consequences, such as increased feed intake or health risk. A classification of farms was made in connection with their characteristics and carcass data (weight, lean content). In addition, a batch of 144 pigs was studied in an experimental unit, marketed in six departures with the terminal delivery performed 57 days after the first one. Growth profiles per delivery were characterized with InraPorc® software from individual body weight and feed intake measurements, and used to simulate the growth performance of the lightest pigs of the batch with different marketing strategies. These simulations show lower performance for these “end of batch” pigs, in comparison with the first pigs slaughtered. Keeping them longer at the end of finishing period can bring between 11 and 20 euros bonus per pig, depending on the animal profile (in the economic context of the first half of 2015).
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  • HAL Id : hal-02744086, version 1
  • PRODINRA : 352446

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Alexia Aubry, Alice Cadero, Florence Garcia-Launay, Isabelle Corrégé, Nathalie Quiniou. La gestion des fins de bande en élevage porcin : analyse des stratégies décisionnelles des éleveurs et des enjeux économiques associés. 48. Journées de la Recherche Porcine, Institut du Porc (IFIP). FRA., Feb 2016, Paris, France. ⟨hal-02744086⟩

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