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1、萬(wàn)方數(shù)據(jù)山東農(nóng)業(yè)大學(xué)全日制碩士專(zhuān)業(yè)學(xué)位論文EfficacyandToleranceAssessmentofBlieacidinMicropterussalmoidesAbstractTwoexperimentswereconducedinourresearch.Theeffectsofbileacidongrowthperformance,haematologicalprofilesandantioxidantintestinalenzymeactivity,bileacidcontentintheliver,intestinesandgallbladder,theintest
2、inalhistologyoflarge—mouthbass(Micropterussalmoides)WaSinvestigated,todeterminetheefficacyandtoleranceassessmentofbileacidinaquaticfeeds.1.Efficacyassessmentofbileacidinlarge-mouthbassdietsSixexperimentaldietswaspreparedwithbileacidlevelsat0、80、160、240、300、600mg/kg,respectively.Eachdietwasfe
3、dtosixreplicatesof30large-mouthbass(6.174-0.02曲for70days.heresultsshowedthattheadditionofbileacidhadsignificanteffectsongrowthperformanceoflarge-mouthbass.300mg/kgbileacidimprovedSGR,WGRandFRsignificantly.240,300mg/kgbileacidincreasedbodyfatoflarge—mouthbasssignificantly.300meCkgbileacidincr
4、easedSOD,T-AOCinplasma,andT-AOCintheliver,decreasedMDAintheliver.Withtheincreasingadditionofbileacid,GSH-PXinplasmaandliverincreasedsignificantly.Inaddition,totalproteinenhancedsignificantlywithadditionofbileacidatlevelsof300and600mg/l(g.Theadditionofbileacidalsoimprovedamylaseactivityinante
5、riorandmidintestines.Moreover,withtheincreasingadditionofbileacid,bileacidingallbladderincreasedsignificantly.OnthebasisofSGlLFRand‘FBAintheliver,theoptimaldietarybileacidlevelswere440.5mg/l(g,283.3mg&gand253.8mg/kgrespectivelyusingbroken—linemodel.Varianceanalysisshowedthatlarge—mouthbaSsob
6、tainedbestgrowthperformancewithbileacidlevelat300mg/kg.Withinthescopementionedabove,bileaciddecreasedMDAintheliverandimprovedantioxidantactivity.BileacidsignificantlypromotedfatmetabolismviaincreasingI-IDL—Ccontentinplasma.Moreover,theadditionofbileacidenhancedamylaseactivityinintestines.Toc
7、onclude,therecommendeddoseofbileacidinlarge—mouthbassdietwas253.8-283.3mg/kgandthehighestrecommendeddosewas300mgCg.2.Toleranceassessmentofbileacidaddedinlarge·mouthbassdietsFourexperimentaldietswerepreparedwithbileacidlevelsat0,300,600,1500mg/kg,in