?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=SUSTAINABILITY+OF+POULTRY+PRODUCTION+USING+THE+EMERGY+APPROACH%3A+COMPARISON+OF+CONVENTIONAL+AND+ORGANIC+REARING+SYSTEMS&rft.creator=CASTELLINI%2C+Prof+C&rft.creator=BASTIANONI%2C+Dr+S&rft.creator=GRANAI%2C+Dr+C&rft.creator=DAL+BOSCO%2C+Dr+A&rft.creator=BRUNETTI%2C+Dr+M&rft.subject=+Environmental+aspects&rft.subject=+Animal+husbandry&rft.subject=+Production+systems&rft.description=The+organic+production+system+is+an+important+strategy%2C+compatible+with+sustainable+agriculture%2C+avoiding+the+use+of+chemical+compounds%2Climiting+the+intensity+of+production+and+providing+controls+along+the+entire+chain+of+production.+The+aim+of+this+study+is+to+compare+conventional+and+organic+poultry+production+in+terms+of+emergy+analysis.+The+main+differences+in+the+two+systems+were+the+emergy+cost+for+poultry+feed+and+for+cleaning%2Fsanitization+of+the+buildings+between+successive+productive+cycles.+In+both+production+systems+the+poultry+feed+represented+more+than+50%25+of+the+emergy+flow.+Regarding+the+agronomic+phase%2C+it+was+shown+that+almost+all+the+organic+crops%2C+avoiding%0D%0Achemical+fertilizers+and+pesticides%2C+saved+around+60%25+emergy.+The+emergetic+costs+for+housing+of+the+birds+were+very+similar+in+both+systems.+Relating+the+emergy+results+with+productive+performance+it+is+possible+to+show+that%2C+although+the+annual+productive+performance+was+much+lower+in+organic+than+in+conventional+(206%25)%2C+transformity+of+organic+poultry+was+around+10%25+lower.+Comparison+of+the+organic+poultry+system+with+a+conventional+one+from+the+viewpoint+of+sustainability+showed+that+all+the+emergy-based+indicators+are+in+favour+of+the+organic+farming+system+with+a+higher+efficiency+in+transforming+the+available+inputs+in+the+final+product%2C+a+higher+level+of+renewable+inputs%2C+a+higher+level+of+local+inputs+and+a+lower+density+of+energy+and+matter+flows.&rft.publisher=ELSEVIER&rft.date=2006-01&rft.type=Journal+paper&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F9317%2F1%2Femergy_pollo.pdf&rft.identifier=CASTELLINI%2C+Prof+C%3B+BASTIANONI%2C+Dr+S%3B+GRANAI%2C+Dr+C%3B+DAL+BOSCO%2C+Dr+A+and+BRUNETTI%2C+Dr+M+(2006)+SUSTAINABILITY+OF+POULTRY+PRODUCTION+USING+THE+EMERGY+APPROACH%3A+COMPARISON+OF+CONVENTIONAL+AND+ORGANIC+REARING+SYSTEMS.+Agriculture%2C+Ecosystems+and+Environment%2C+114%2C+pp.+343-350.&rft.relation=http%3A%2F%2Forgprints.org%2F9317%2F