不同添加剂对舍饲滩羊肉品质调控与生产性能影响的-研究

《不同添加剂对舍饲滩羊肉品质调控与生产性能影响的-研究》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、andgaschromatography-mass(GC-MS)，thecontrolgroup，groupl，groupIIgroupIIIhadrespectivelyidentified55，64，6666kindsofvolatileflavourcompounds。Inthistest，therewere26kindsofsamevolatileflavourcompoundsforthetreatmentgroup，includinghexanalrelativecontentingroupIgroup111werehigherthancontrolgroup，thatwa

2、sn’tconducivetoimprovethemeatquality．Thehexanalrelativecontentofgroup11was1．201％．10werthanthecontrolgroup．Therefore，inthecertainextentCLAcanreducethebadflavorsubstance．Experiment3：TheeffectofdifferentadditivesondigestionmetabolisminStablingTanSheep3ramsineachgroupwereselectedadoptedsingletie-dow

3、nbreeding，thencarriedondigestionmetabolismexperimentmeasuredtheapparentdigestibilitythenitrogenmetabolismnutrientofthefeedrateaftercollectingfeces，urineremainingfeed．Theresultsshowedthat：thegroup儿highlysignificantlyincreasedcrudefatapparentdigestibility(P<0．01)．andhighlysignificantlyreducedtheap

4、parentdigestibilityoftheneutraldetergentfiberaciddetergent(P<0．01)．groupIgroupilihadnosignificantlyeffectapparentdigestibilityofeachfeednutrients(P>0．05)：thethreeadditivegroupshadimprovednitrogenapparentmetabolicrateinacertainextent．NitrogenapparentmetabolicrateofGroup1wassignificantlyhigherthan

5、controlgroup(P<0．O1)．groupIIgroup111weresignificantlyhigherthanthecontrolgroup(P>0．05)．Experiment4：TheeffectofdifferentadditivesonbloodbiochemicalindexinStablingTanSheepAtthesamedietconditionwithexperimentI，thebloodofeachgoupwerecollectedatthebeginngofexperimentin0d，I5d，30d，45d60d．Thentakenserum

6、measuredthebloodbiochemicalindexafterstanding．Theresultsshowedthat：therewerenosignificanteffectinserumtotalproteincontentserumtriglyceridecontentafterusingRPLys，CLANCG(P>O．05)．But，inthelatetest，thebloodsugarlevelsofgroupIhadsignificantrisen(P>0．05)．SerumtotalcholesterolofgroupIIdecreasedwithcont

7、inuousfeedingtime．andtomaintainrelativelystablebloodsugarlevels．Insummary，theCLAhaddoubleeffectsonimprovingproductionperformancemeatqualityinTanSheep．Itwastheoptimaladditiveforefficientbreedingproductionofhigh—grademutton．Ke