藍孔雀飼料消化利用性能的研究.pdf

1、y774796分類號密級弋吣寰t夭雜。碩士學位論文盟仲代碼：10019學號：S02257藍孔雀飼料消化利用性能的研究StudiesonDigestibilityandUtilizationofDietofBluePcafo、’，I研究牛：董理指導教帥：申請學佗門類級別：專業(yè)名稱：研究方向：所在學院：直基盤副煎援園王明熬援筮堂亟邊塑萱羞皇翅盟撾堂塞盤螢差動塹型堂皇這丕堂暄AbstractThreeexperimentswereconduc

2、tedtoinvestigatedigestiveandutilizableperformanceofdietarynutritionalmatterinbluepeafowl，andstudiedonthefeasibleproteinandenergycontentinbluepeafowldietExperiment1：CoraparativestudyondigestiveandutiIizableperformanceofCP

3、、AME、CEEandfibersofdietinbIMepeafowI、turkeysandCocksThestudycomparedthedifferenceofdigestiveandutilizableperformanceofDM、CP、AME、EE、CF、NDFandADFofdietin5and7montholdbluepeafowl，thesameoldturkeysandadultcocks7fheresultssho

4、wedthatfeedintake、excretionanddigestionofDM、CP、AME、EE、CF、NDFandADFinbluepeafowJwasequaltothoseofcocksbutbothwerelessthanthoseofturkeys(P005)Inbothmonths，theCPandEEdigestibilityinbluepeafowlwassignificantlylessthanthosein

5、cocksandturkeys(P鋤05)buttheDMdigestibilityandAMEmetabolicratioweresignificantlyhigherthancocksandturkeysfJpO05)itwasconcludedthattheDMdigestibilityandAMEmetabolicratioofbluepeafowlwashighestinthreeanimalsbecauseofhigherd

6、ietaryfibersdigestibilityofbluepeafowlanditsfibersdegradationproductsuppliedpartofenergywhichwasusedingrowthandmaintenanceIfcocksandturkeys’feedingstandard’vereappliedinfeedofbluepeafowl，itmaybeunderestimatedinenergyandD

7、MutilizableperformanceandoverratedinCPdigestiveperformance，therefore，CPrequirementofbluepeafowlshouldbehigherthanthoseofcocksandturkeysExoeriment2：StudiesonthedigestiveandutizabIeperformanceofdietaryproteinandthefeasibIe

8、prateincontentinbIuepeafowlOnehundredandtwelve28dayoldbluepeafowlweredividedinto4groupsinaccordancewithdietaryproteinlevels(16％、18％、20％and22％)tostudyondigestiveandutilizableperformanceofdietaryproteinandoptimalproteincon

9、tentinfeedofbluepeafowlThedietaryMEwassetto1213MJ／kgAsdietaryproteinincreased，theCPdigestibilitywassignificantlydecreasedanduricnitrogenandammonianitrogenexcretivecapacitywasincreasedfP005)Utilizableenergyquantitiesweren

10、otinfluencedbydietaryproteinhigherthat20％levelsLivebodyweight、thedressedweight、dressingpercentage、evisceratedweight、evisceratedpercentage、breastmuscleweightandbreastmuscleweightweresignificantly(PO05)enhancedasdietarypro

11、teinincreasedduetohigheravailablenitrogenJn20％proteintreatmentButdietaryproteinlevelswhichwashigherthan20％couldnotsignificantlyimprovedotherindexesmeasuredInconclusion，the20％CPlevelwasadaptedfor28—140daysoldbluepeafowlEx