Comparative in vitro evaluation of mixtures of Panicum maximum cv Ntchisi with stylo (Stylosanthes guianensis), Lablab (Lablab purpureus), Centro (Centrosema pubescens) and Histrix (Aeschynomene histrix)

摘要

Organicmatterdigestibility(OMD),metabolizableenergy(ME),shortchainfattyacid(SCFA)productionanddegradationconstantsofPanicummaximumandlegumemixturesandPanicummaximumintercropwithlegumeswereestimatedfrominvitrogasproductionparameters.nbsp;Crudeprotein(CP)contentrangedfrom7.63to23.29%,neutraldetergentfibre(NDF)rangedfrom50.66to64.28%,Etherextractrangedfrom2.73to9.24%andtheashcontentvaluesrangedfrom6.78to12.66%.Phenolcontentvariedfrom1.47#8211;1.76%,Tanninvaluerangedfrom1.05#8211;1.38%,Saponincontentrangedfrom1.38#8211;1.72%,Phytatecontentrangedfrom2.17#8211;2.31%andOxalatecontentrangedfrom1.54#8211;1.73%.Potentialgasproduction,bfromtheinsolublefractionofthelegumesrangedfrom22.38to28.46ml/gDM,thevalueforthemixturesrangedfrom14.55to22.10ml/gDM.Thebfractionofthegrassinlegumeintercroprangedfrom20.45to24.50.ml/gDM.Increasedgasproductionwasobservedinthemixturesandintercropthansolegrass.Methaneproductionwashigherinlegumesthanthemixtures.ME,OMDandSCFAvalueswereintheorderofmixtureslegumessolegrass.GrassinlegumeintercrophadhigherME,OMD,SCFAthansolegrass.Thisstudyrevealedthatgrassinlegumeintercropandgrass/legumemixtureshavegreaterbenefitinanimalnutritionthangrassonly.