苜蓿、統(tǒng)糠和稻草分別與啤酒糟混合發(fā)酵飼料品質(zhì)研究.pdf

1、新疆農(nóng)業(yè)大學(xué)碩士學(xué)位論文苜蓿、統(tǒng)糠和稻草分別與啤酒糟混合發(fā)酵飼料品質(zhì)研究姓名：時(shí)建青申請(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：艾尼瓦爾艾山趙國(guó)琦20060601AbstractMixedfermentofBSGandalfalfa，cha噩slrawrespectivelywith40％，50％，60％，70％moistureinbagfor30，60，90，120days，Ihen，sensoryassessingandNH

2、3N，pHValue，DM，CP，NDF，ADF8ndlacticacid，VFAwereanalysedinit，andNylonbagIechn0109ywasusedforthedynamicdisappearratemeasurementsofDMOMandNDFofmixedfe珊entfcedTheresultsshowedt11at：1Effectofmixedfermenlwasinfluenccdsignificant

3、lybydifferenImoislure，Igroup，IIgroupandIIIgmupexceltoⅣgmupobViouslyfnsensoryassessing；inpHValue，o培anicacidandNH3N^N％，pHValuewerelowerandlacticacidwerehigherinIIandIIIgroup，accticacid，pmpioncac主dandbutyricacidweresignific

4、ant，bultheirinnuenceweresmallerbecausecontentwereVerylowDMlossingrate，degradationrateofCPanddegradationrateofNDFandADFconcentrationsshowedtrendofordinalrisewithordinalriseofgroup2fordjffercntmixedfe丌nenime，Sensoryassessi

5、ngwasnotd餉奄rentobviously；pHvalue，DM，CP，NDFADFcontentwereakatabaticordecreasingwithextendingofmixedsilagetime；NH3一N／tN％andlacticacid，aceticacid，pmpioncacidandbutyricacidconcentrationswereincreasedgradually，butproponionof1

6、acticacidwas【hemostintolalacids3Nylonbagtechnologyw船usedforthedynamicdisappe盯mtemeasurementsofDM，oMandNDFofmixedfermentfeed11leresultsshowedthat：DM，OMandNDFdis印pearrateofmixedfermentfeedofdiffcrcnttimcshowcdtrcndofriscwi

7、thexlendingoftimeinrumenofHolstcincows，fc玎nentfcedof120dayswasthebest，thesamedegradabilityofun_fermentedgfoupwasatthe10westleveL4鮒ectofdigestiveperformanceshowedthatⅢmendegradationrateofalfalfa卸dBSGfe丌nentfeedwasthebest，