?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Feeding+with+chicory+roots+reduces+the+amount+of+odorous+compounds+in+colon+and+rectal+contents+of+pigs&rft.creator=Jensen%2C+M.T.&rft.creator=Hansen%2C+L.L.&rft.subject=+%22Organics%22+in+general&rft.description=Sixteen+pigs+(eight+entire+males+and+eight+females)+were+given+individually+two+diets%2C+control+and+control+added+25%25+chopped+chicory+roots+for+2+months+before+slaughter.+Samples+were+taken+from+the+contents+in+colon+and+rectum+and+subjected+to+GC-MS+analysis+for+amount+of+odour+impact+compounds.+The+compounds+2-pentanone%2C+ethylbutyrate%2C%0D%0Apropylpropionate%2C+butyric+acid%2C+ethyl-2-methylbutyrate%2C+p-cresol%2C+indole+and+skatole+showed+a+significant+difference+between+the+two+treatments.+The+esters%2C+which+have+relatively+pleasant%2C+often+fruity+odours%2C+increased+in+the+chicory+treatment%2C+whereas+the+malodorous+compounds%2C+p-cresol%2C+indole+and+skatole+decreased+in+the+chicory+treatment.+The+measured+amounts+of+compounds+were+corrected+for+their+odour+thresholds+as+different+compounds+can+have+widely+different+odour+thresholds.+Principal+components+analysis+was+then+used+to+analyse+the+raw+and+corrected+data+results.+p-Cresol+was+the+most+malodorous+compound+and+together+with+skatole+and+indole+count+as+the+most+malodorous+compounds+in+the+colon+and+rectum+cotents.+However%2C+butyric+acid+also+had+some+minor+influence.+Feeding+chicory+roots+decreased+significantly+the+concentrations+of+these+malodorous+compounds%2C+especially+if+the+lowest+odour+threshold+values+are+used+as+correction+factors.+&rft.date=2006&rft.type=Journal+paper&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F10011%2F1%2F10011.pdf&rft.identifier=Jensen%2C+M.T.+and+Hansen%2C+L.L.+(2006)+Feeding+with+chicory+roots+reduces+the+amount+of+odorous+compounds+in+colon+and+rectal+contents+of+pigs.+Animal+Science%2C+82+(3)%2C+pp.+369-376.+**&rft.relation=http%3A%2F%2Forgprints.org%2F10011%2F