不同添加劑及裹包方式對紫花苜蓿青貯品質(zhì)的影響評價(jià).pdf

1、‘i盎翟世黼單位代碼：10019’0：：rote42041飛嚼差蕊夭普碩士學(xué)位論文不同添加劑及裹包方式對紫花苜蓿青貯品質(zhì)的影響評價(jià)EffectofAdditivesandWrappingtypeontheSilageQualityofAlfalfa研究生：螢掛苤指導(dǎo)教師：整建國塾攫申請學(xué)位門類級別：盛些燕亡亟專業(yè)名稱：差蕉些研究方向：堇主昌加互所在學(xué)院：動(dòng)塑型塾堂瞳2007年6月EffectofAdditivesandWrappingt

2、ypeontheSilageQualityofAlfalfaAbstractAlfalfaisalegumeforagecroprichinproteinitwasusedformakinghaytraditionallybutthiswilllcadtotheIo％ofiIutritionespeciallyintherainyseasonitjshardtomakeSilageisthebestwaytosolvetheproble

3、札ButthereaIcsomedifficultieslOrensilingOneiscontentofproteinandbufferingenergyarehighinalfalfafermentablecarbohydratecontentandthenumberofeffectivelacticacidbacteria(LAB)agelowsoitsdifficulttoensilewithoutadditivesadditi

4、vestreatmentimprovedfermentationqualityeffectivelyZPresentlytheroundbaledpolyethyleneplasticfilmwrappingtechnologycannotmatchthehaywrappingmachine，theinvestmentishighandproductionefficiencyislowsoitishardtopopularizeSqua

5、rebaledwrappingtechnologyisasuitablewayforsolvetheproblemThcstudieswe他conductedtoinvestigatethesilagequalityofalfalfatreatedwithdifferentadditivesinlaboratoryscule；I；icldexperimentwerecarriedouttoevaluatetheeffectofdiffe

6、rentwrappingtype(roundbaledofsquarebaled)differentbaledensityofdifferentwidthofpolyethyleneplasticfilmoRfermentationqmdityofbaledalfalfaglageando瞳LaboratoryexperimentjsconductedoRthethirdcutofthirdyearalfalfaThesilageadd

7、itivesunderlaboratoryconditionsinclude：formicacidattherateof04％，o6％and08％；lubaomeiattherateof04％，ot6％and08％；perviouslyfermentedjuice(P丹)attherateof04％，06％and08％；lacticacidhadcria(IAB)attherateof001％，002％ando04％Afterstore

8、d80and120dthealfaffa蚰agewassampledtoanalyzeThcresultshowedthat：UnderhbontoryconditionsalladditivestreatmentssigumcanflyimprovedthesilagequalitiesofalfalfaneefficiencyorderisPHLABFormicac／dbaolumeLFermentationquafftyofrou

9、ndbaledsilageandsquarebaledsilageWCreallwellbuttheroundbalewas‰nccostofthesetwowrappingtypcsilagehasnodifferencewh朋baleclensitywaslessthan300kg憾thefermentationqualityofbaledsilagewaspoorTwodifferentwidthofpolyethyle∞plas

10、ticfilmbalesilagehadgoodfermentationqualityfermentationqualitywasbettcrandcostislowerwhenwidthofpolyethyleneplasticfilmwits360mmSyntheticalevaluatesquarebaledalfalfasilagewithPFJtreatmentwidthof360mmandn眥than300kg／m3bale