Assessment of the nutritive value of the seeds of some tropical legumes as feeds for ruminants

摘要

nbsp;Samplesofeighttropicallegumeseeds(Macroptiliumlathyroides(Phaseybean),Centrosemapubescens(centro),Puerariaphaseoloides(Puero),Calopogoniummucunoides(Calopo),Leucaenaleucocephala(Leucaena),Stylosanthesguanensis(Stylo),Macroptilliumatropurpureum(siratro)andClitoriaternatea(Bluepea)fromTanzaniawereevaluatedusingpercentnitrogen(protein)content,invitrogasproduction,drymatter(DM)degradabilityanddefaunatingability.nbsp;Clitoriaternateaseedshadthehighest%N(7.07)whileCentrosemapubescenshadthelowest(3.52).Therankingoftheseedsintermsofpercentproteincontentwasasfollows:ClitoriaternateaPuerariaphaseoloidesCalopogoniummucunoidesStylosanthesguianensisMacroptilliumatropurpureumLeucaenaleucocephalaMacroptiliumlathyroidesCentrosemapubescens.SpeciesandPEGhadsignificanteffectoninvitrogasproduction.nbsp;Centrosemapubescensproducedsignificantlyhighestvolumeofgas(55ml)while.Stylosanthesguianensisproducedthelowestvolumeofgas.(29ml).Therankingoftheseedsintermsofgasproductionwas:CentrosemapubescensMacroptilliumatropurpureumMacroptiliumlathyroidesLeucaenaleucocephalaPuerariaphaseoloidesCalopogoniummucunoidesClitoriaternateaStylosanthesguianensis..nbsp;TherewasincreaseingasproductiononadditionofPEGonlyinStylosanthesguianensis(P0.05).nbsp;Theseedshadhighdegradability.LeucaenaleucocephalaandStylosanthesguanensisseedsweretheleastdegradedwhileCentrosemapubescenswasthemostdegraded.Therankingoftheseedsbasedonnylonbagdegradabilitywas:CentrosemapubescensPuerariaphaseoloidesClitoriaternateaMacroptiliumlathyroidesMacroptilliumatropurpureumCalopogoniummucunoidesLeucaenaleucocephalaStylosanthesguianensis.Therewasahighpositivecorrelationbetweeninvitrogasproductionandnylonbagdegradation(r=0.87).OnlyseedsofCalopogoniummucunoidesandClitoriaternatea.haddefaunatingactivities.nbsp;Itisconcludedthattheseedsoftropicallegumeshavepotentialasfeedsupplementsforruminantsastheyhavehighdigestibilityandarerichinnitrogen.ClitoriaternateaandCalopogoniummucunoidesappeartohavepotentialasdefaunatingagents.