休牧期補(bǔ)飼不同營(yíng)養(yǎng)水平日糧對(duì)阿爾巴斯型白絨山羊體重變化以及營(yíng)養(yǎng)物質(zhì)消化率的影響.pdf

1、分類號(hào)S815.2學(xué)校代碼10129UDC636學(xué)號(hào)2009201025休牧期補(bǔ)飼不同營(yíng)養(yǎng)水平日糧對(duì)阿爾巴斯型白絨山羊體重變化以及營(yíng)養(yǎng)物質(zhì)消化率的影響EffectsofDifferentNutritionLevelsonBodyWeightNutrientDigestibilityofArbasWhiteCashmereGoatDuringRestGrazing申請(qǐng)人：牛峰學(xué)科門類：農(nóng)學(xué)學(xué)科專業(yè)：動(dòng)物營(yíng)養(yǎng)與飼料科學(xué)研究方向：動(dòng)物礦物質(zhì)與

2、維生素營(yíng)養(yǎng)指導(dǎo)教師：閆素梅教授論文提交日期：二〇一二年五月EffectsofDifferentNutritionLevelsonBodyWeightNutrientDigestibilityofArbasWhiteCashmereGoatDuringRestGrazingAbstractThisexperimentwasconductedtostudytheeffectsofdiffentnutrientlevelsonweightch

3、angenutritientapparentdigestibilityofArbasWhiteCashmereGoats（AWCG）duringgrazingrestperiodtodiscusstheweightchangeofAWCGduringthegrazingperiod.toprovidetheeticalbasistechnicalguidancefscientificsettingnutrientrequirements

4、upplementaryschemeinAWCGTheexperimentincludedthreeparts.Experiment1wasconductedtostudytheeffectoffeedingdifferentnutritionallevelofdietsonnutrientapparentdigestibilitytheweightsofeweslambsinsucklingperiodduringrestgrazin

5、g.204AWCGstheir337lambsweredividedintothreegroups(onecontrolgrouptwotreatmentgroups)accdingtotheiryearsoldagebodyweightSingletwinlamblastyearcashmereyieldlastyearwithonecontrolgrouptwotreatmentgroups68AWCGsewesineachgrou

6、ppergroupThecontrolgrouphaved110lambsotheranathertwogroupshavehad114113lambs.Theresultsshowedthatthenutrientintakewasbetween1.19～1.40MJW0.75kgfDEbetween11.21～12.49gW0.75kgfCPbetween0.28～0.30gW0.75kgfPbetween1.13～1.28gW0.

7、75kgfCacoulddecreaseewe’sweightlostincreaselamb’sweightgainimprovetheapparentdigestibilityofCPPsignificantly.ThenutrientintakefDEwas1.40MJW0.75kg12.49gW0.75kgfCP0.30gW0.75kgfP1.28gW0.75kgfCahadthebesteffect.Inexperiment2

8、theeffectsoffeedingdifferentnutritionallevelsofdietduringrestgrazingoneweweightchangenutrientapparentdigestibilityduringgrazingwasdiscussed.Theresultsshowedthatthreegroupshadnoobviousdifferenceineweweightchange（P0.05）.Th

9、eapparentdigestibilityofNDFADFingrazingperiodwashigherthaninrestgrazingperiodtheapparentdigestibilitiesofDMGECPNDFADFofthecontroltreatmentgroup2hadanintendancytobeincreasedcomparedtotreatmentgroup1duringgrazingperiod.The