?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Influence+of+chicory+roots+(Cichorium+intybus+L)+on+boar+taint+in+entire+male+and+female+pigs&rft.creator=Hansen%2C+L.L.&rft.creator=Jensen%2C+M.T.&rft.creator=Mejer%2C+H.&rft.creator=Roepstorff%2C+A.&rft.creator=Thamsborg%2C+S.M.&rft.creator=Burne%2C+D.V.&rft.creator=Karlsson%2C+A.H.&rft.creator=Hansen-M%C3%83%C2%B8ller%2C+J.&rft.creator=Tuomola%2C+M.&rft.subject=+Feeding+and+growth&rft.description=Boar+taint+is+an+off-flavour+of+pork+caused+primarily+by+a+microbial+breakdown+product%2C+skatole+and+a+testicular+steroid%2C+androstenone.+As+skatole+is+produced+in+the+large+intestine+from+tryptophan%2C+it+is+possible+that+some+%22bioactive%22+ingredients+could+modify+protein+fermentation+and%2C+in+the+process%2C+diminish+boar+taint.+The+aim+of+this+study+was+to+examine+the+effect+of+inulin-rich+chicory+roots+(Cichorium+intybus+L.)+on+boar+taint.+In+the+first+of+three+trials+individually+penned%2C+entire+males+and+females+were+given+an+organic+concentrate+in+which+0%C3%82%C2%B725+of+the+daily+energy+intake+was+replaced+with+crude+chicory+roots+for+9+or+4+weeks+prior+to+slaughter.+In+the+second+trial%2C+entire+male+pigs+were+given+diets+that+included%2C+either+crude+chicory+roots%2C+dried+chicory+roots%2C+or+inulin+(extracted+from+chicory+roots)+for+6+weeks+pre-slaughter.+In+the+third+trial%2C+intact+male+pigs+were+given+the+dried+chicory+diet+for+either+2+or+1+week+before+slaughter.+In+all+trials+the+chicory+diets+were+offered+on+a+scale+at+0%C3%82%C2%B795+of+the+Danish+recommendation+for+energy+intake%2C+and+pig+performance+was+compared+with+a+control+group+given+the+organic+concentrate+at+0%C3%82%C2%B795+of+recommended+energy+intake+plus+silage+ad+libitum.+In+trial+1+an+additional+control+group+was+offered+the+organic+concentrate+at+a+daily+energy+intake+level+of+1%C3%82%C2%B70+of+Danish+recommendations.+The+pigs+in+trials+1%2C+2%2C+and+3+were+slaughtered+at+an+average+live+weight+of+118%2C+124%2C+and+110+kg%2C+respectively%2C+in+order+to+ensure+that+they+had+achieved+sexual+maturity.+Overall%2C+skatole+concentrations+in+blood+plasma+and+backfat+at+slaughter+were+reduced+to+almost+zero+levels+by+including+crude+or+dried+chicory+or+inulin+in+the+diet.+This+occurred+irrespective+of+sex+and+length+of+feeding+period+(1+to+9+weeks).+In+trial+3+a+significant+effect+on+blood+plasma+concentration+was+observed+after+3+days+of+feeding+a+diet+containing+dried+chicory.+The+only+significant+reduction+in+plasma+androstenone+levels+was+detected+in+pigs+given+the+crude+chicory+for+a+9+week+duration+in+trial+1.+The+production+and+proportion+of+lean+was+generally+not+affected+by+the+addition+of+either+form+of+chicory+to+the+diets+in+trials+1+and+2.+Therefore%2C+dried+chicory+may+be+the+most+suitable+form+for+commercial+use+because+it%3A+had+no+initial+adverse+effects+on+food+intake%2C+consistently+reduced+skatole+without+reducing+performance%2C+was+easy+to+handle+throughout+the+entire+year+and+is+relatively+inexpensive.+%0D%0A%0D%0A&rft.date=2005&rft.type=Journal+paper&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F4515%2F1%2F4515.pdf&rft.identifier=Hansen%2C+L.L.%3B+Jensen%2C+M.T.%3B+Mejer%2C+H.%3B+Roepstorff%2C+A.%3B+Thamsborg%2C+S.M.%3B+Burne%2C+D.V.%3B+Karlsson%2C+A.H.%3B+Hansen-M%C3%83%C2%B8ller%2C+J.+and+Tuomola%2C+M.+(2005)+Influence+of+chicory+roots+(Cichorium+intybus+L)+on+boar+taint+in+entire+male+and+female+pigs.+Animal+Science%2C+82+(3)%2C+pp.+359-368.&rft.relation=http%3A%2F%2Forgprints.org%2F4515%2F