舍飼條件下3個(gè)雜交組合F1代母羊不同生理階段適宜營(yíng)養(yǎng)水平與日糧配方篩選.pdf

1、新疆農(nóng)業(yè)大學(xué)碩士學(xué)位論文舍飼條件下3個(gè)雜交組合F1代母羊不同生理階段適宜營(yíng)養(yǎng)水平與日糧配方篩選姓名：楊會(huì)國(guó)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：養(yǎng)殖指導(dǎo)教師：余雄張揚(yáng)200811Theappropriatenutritionalleveldietofewesffmulationionof3differentF1hybridcombinationsofdifferentphysiologicalstageunderthestallsfeedcondit

2、ionsYangHuiguoAbstract:Thisstudywasincludedfourresearchexpermentsaboutewesinprepregnancylatepregnancylactationperiodthreemontholdtosevenmontholdewestages.Theexpermentofappropriatenutritionlevelthedietfmulaofthreedifferen

3、tF1hybridsofprepregnancyewesewesinthelatepregnancylactationperiodofewesewefromthreemontholdtosevenmontholdiscarriedoutunderthestallsfeedconditions.ThewholeexperimentwascarriedoutfromOctober2005toOctober2006atChangjiinXin

4、jiangHuaxinggoodbreedingfbreedingstockLtd.ThisexpermentfthemainresearchnutritionfactsofconstrainthybridcombinationunderthestallsfeedconditionThreehybridcombinationinSAF1DAF1DXF1ftheobjectofstudyusingtwofactswitharepeatte

5、stdesignthevarieties(thatisthehybridcombinations)thelevelofnutritionwillbethetwomainfactsattheentireexpermentphase.Accdingto“NRCstardsfthekeepingofsheep“(1985)“ChineseMerinosheephusbrystards“thethreemeeconomicalF1ewesdie

6、tfmulaofhigh(Ⅰ)dle(Ⅱ)low(Ⅲ)nutritionlevelwasdesignedindifferentphysicalstages.TheappropriatenutritionleveldietfmulationtestwascarriedoutthroughSAF1DAF1DXF1threehybridcombinationofdifferentphysiologicalstageeweusingfeedin

7、gcontrasttestunderthestablingconditions.Theresultsshowedthat:1)F1ewesindifferentphysiologicalstageoftheappropriatelevelofnutritionfSAF1DXF1DAF1areappropriatefthedlenutritionlevelinprepregnancy.DXF1isappropriatefthedlenut

8、ritionlevelDAF1SAF1areappropriatefthedlehighnutritionlevelinthelatterpartofpregnancy.SAF1DAF1aresuitedfthedlehighnutritionlevelDXF1isappropriatefthedlelevelofnutritioninlactationperiod.Threemontholdtosevenmontholdbackupe

9、wesaresuitablefthedlenutritionlevel.2)Duringthetrialperiodthreehybridcombinationsofdifferentindicatshaveanincreasingtrendwiththeincreaseofnutritionlevel.Thedifferentnutritionlevelofeweduringpregnancywhichisnosignificantd