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    • Utilización de excretas de las aves en alimentación de rumiantes 

      Vargas González, Emilio; Mata Arias, Lizbeth Lucía (2013-06-04)
      Utilization of poultry excreta in rumiant feeding. A study wasconducted to determine chemical composition of poultry escreta in Costa Rica, artd a/so is discurs the use and limitation of these products in ruminant f eeding. ...