?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Padel%2C+Susanne&rft.aulast=Padel&rft.aufirst=Susanne&rft.date=2006&rft.title=How+can+we+achieve+100%25+organic+diets+for+pigs+and+poultry%3F&rft.genre=proceeding