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ID:32079363
大小:1.39 MB
页数:58页
时间:2019-01-31
《小尾寒羊生长期能量和蛋白质饲养标准应用配套技术研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、山东农业大学硕士专业学位论文Abstract。Ihisexperimentwasconductedtoevaluatethedaygainandthefeedefficiencyeffectsofthedifferentfeedsandthedifferentnutritionallevelsinsmall—fat—tailsheepgrowthandwellastoevaluatethedaygrainand’theeconomicefficiencyeffectsofthedifferentstrawstalkbyammoniation,microstored,theen
2、silage,theureaensilageprocessing.Compared、vitllenergyandproteinlevelstothesmall—fat-tailsheepperformance,determinedthecorrelationtechnologyofthefeedsinthegrowthsmall-fat—tailsheep、ThemainresultsShowedasfollows:Trialone:30一dayage,15birdsmalesmall-fat-tailsheepaccordingtobodyequalcompletelyra
3、ndomizeddesign,weredividedinto3groupseachwith5.Accordingtosmall—fat—tailsheepproductionareathreekindofraisingpattem,designedthreenutritionallevel,group1wascontrolgroup,onlygreenhay,groupgreenhay+corn.group3greenhay+conl+beancake+bonepowder+pre-mixed.Themainresultsshowsasfollows:Iftherecomme
4、ndationquantitymetabolismenergyandproteinofthesmall—fat—tallsheepas100%.group1onlycanbeabletosatisfyits69.2%and47.1%:group2canheabletosatisfyits92、1%and61.8%:Compared谢thgroup3andgroupI(ME:6.56MJ/kg,CP:5.80%),theeverydaygainimproved98.O%,theeverydaymakesaprofitenhancedto157.0%.Compared、vi血gr
5、oup3andgroup2(ME:8.73MJ/kg,CP:7.60%0),theeverydaygainimproved58.4%,theeverydaymakesaprofitenhancedto15.O%.soimprovedtheproteinandenergyofthefeedsCallremarkablyenhancedthegainandtheeconomicefficiencyofthelamb.Trialtwo:3-mouthage,about20kgbody'20birdssmall—fat—tailsheep(male10,female10)random
6、lydividedinto2groupseachwith10.Group1wascontrolgroup,accordingtothelocalityextensiveraisingpatterndesigned,dietswereC01TIstraw+greenhay+corn+wheatskin.itsdigestionenergywas13.9MJ/Kgandproteinlevelwas136.49/d;Group2wastrialgroup,dietswerecornstraw+greenhay+concentratedaddingfeed,thedigestion
7、energy小尾寒羊生长期能量和蛋白质饲养标准应用配套技术研究andproteinseparatelywere12.86MJ/Kgand157.959/d(earlierperiod),14.49MJ/Kg和166.149/d(1aterperiod).TheresultshowedthatifimprovedtheproteinandenergyofthedietsCallremarkablyenhancedthegainandtheeconomicefficiencyofthelamb.Compar
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