?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=A.G.&rft.aulast=Kongsted&rft.au=Kongsted%2C+A.G.&rft.title=Improving+sustainability+and+welfare+in+organic+poultry+and+pig+production&rft.date=25+January+2021&rft.genre=proceeding