添加乳酸菌制劑和酶制劑對(duì)水稻秸青貯發(fā)酵品質(zhì)的影響.pdf

1、東北農(nóng)業(yè)大學(xué)碩士學(xué)位論文添加乳酸菌制劑和酶制劑對(duì)水稻秸青貯發(fā)酵品質(zhì)的影響姓名：門(mén)宇新申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：動(dòng)物營(yíng)養(yǎng)與飼料科學(xué)指導(dǎo)教師：張永根20070620東北農(nóng)業(yè)大學(xué)農(nóng)學(xué)碩士學(xué)位論文cteriaandenzymeonAbstractUtilizationofcropresiduesisaneffectiveapproachinrevivingofcontradictionofgrainconsumptionbetweenhumanb

2、eingsandanimalinChinaandalsoinensuringofsustainabledevelopmentofanimalhusbandryRicestalkisoneofthecropresiduesforsilageTalkingaboutfeedresourcesonly15％ofitwasusingforruminantanimalsMostofitwasaswasteandbumdirectlyonfield

3、ItisnotonlypollutingsurroundingsandalsobroughtahugewasteItcanbecausenutrimentloosingifmakingsilagedirectlyinnormalway，andmaybeevencausecorruptandqualitychangeNowadays，LABandEnzyme，asadditivesforsilage，wasmoreandmorenotic

4、edTherefore，thepurposeofthisresearchisfocusonlookingforanewmethodinutilizingricestalksilagetotestthequalitybyaddingLABandEnzymeinfreshricestalksilageInordertoresearchtheeffectonfermentationqualityofricestalkbyusingsilage

5、additives，fleshricestalk(NEAU038)andtwokindsofadditives(LABandEnzyme)werechosedastestmaterialsandthetestwasbasedonsinglefactordesignTheLABlevelis0，0019／kg，0023g／kg，00459／kgffleshsample)；enzymelevelis0，089／kg，139／kg，189／k

6、g(drymaterial)；eachlevelwastestedsixtimesThefreshricewascutintoabout4cm，andputintopolythenebagaftertreatmentbyusingdifferentadditivesThebagswerevacuumizedandputinstockinnormaltemperature45dayslater，determiningthequalityo

7、fsilagesTheresultshowedthatbyaddingLABcaneffectivelyimprovedthefermentationqualityofricestalksilage，andthemoreLABwasputthemorebetterqualitywasshownThepHvaluecallbedecreasedbyaddingLABandatthesametimeincreasetheorganicaci

8、d，especiallythelacticacidinricesilage；decreaseammoniavalueandincreasethefermentedqualityThecontentofNDFdecreasedwiththeamountoflacticacidbacteriaadditive，howeverthecontentofADFandCPincreasedrP005)Lacticacidbacteriahadare

9、markableeffectonfermentationcharacteristicsofricestalkIntheexperimenttheoptimalqualityofricestalksilagecanbeobtainedwhenlactobacilluswasaddedatlevelof00239／kg、00459／kgInaabovetheresultshowedthatthesilageswiththeenzymeisn

10、otbetterthanthesilagewithLABonsenseandalsoinlaboratoryButwithenzymecantrulychangethefiberofthestalksAndatthesametime，stalkswithenzymethoughchangedthequalityofsilages，butduetothelowcontentofstalkWSC，thisCallonlyfacilitate