[Conversion of poultry excrements into feedstuffs for ruminants by addition of activated charcoal and/ or zeolite]

activated carbon aliment d'origine animale aprovechamiento de desechos charbon actif excrements excreta faeces feces feeds of animal origin heces ion exchange odeur olor piensos de origen animal procesamiento processing reciclaje recycling rumiante ruminant ruminants smell traitement waste utilization zeolitas zeolite zeolites