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时间:2020-04-20
《维生素E对泥鳅生长性能及消化酶活性的影响.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、,-——34-——中国饲料2013年第18期维生素E对泥鳅生长性胄邑及消化酶活性的影响重庆文理学院重庆珍稀濒危水产资源保护与开发研究中心孙翰昌【摘要]选取平均体重为(1.58+0.01)g的健康泥鳅540尾,随机分为6组,每组3个重复,每个重复3O尾,对照组饲喂基础饲料,试验A、B、c、D、E组饲料中维生素水平分别为24.375、48.75、97.5、195、390mg/kg,试验期为30d。结果表明:当维生素E水平为195mg/kg时,增重率(WG)、特定生长率(SGR)和蛋白质效率(PER)均达到最大值,饲料系数(FC)
2、达到最小值,分别为112.74%、2.51%、241.23%和2.15,均与对照组差异显著(P3、$963【文献标识码1A[文章编号】1004—3314(2013)18-0034-04【Abstract]Inthisexperiment,540healthyMisgurnusanguillicaudatuswith(1.58~0.O1)gbodyweightwererandomlydividedinto6groupswith3replicatesof30each.Thecontrolgroupwasfedwithbasaldiet.theexperimentalgroupswerefedthefeedwiththevit4、aminElevelsof24.375mg/kg(A),48.75mg/kg(B),97.5mg/kg(C),195mg/kg(D),390mg&g(E),respectively.Theexperimentlastedfor30d.Theresultshowedthat:WhenvitaminElevelwas195mg/kgdiet,thefishhadthemaximalweightgain,specialgrowthrate,proteineficiencyratio,andthefeedcoeficientachi5、evedtheminimalswhichwere112.74%,2.51%,241.23%and2.15respectively,comparedwithcontrolgroup,thediferenceweresignificant(P<0.01).Inaddition,vitaminEhadsignificanteffectonactivitiesofdigestiveenzymesofMisgurnu~anguillicaudatus(P<0.05).WhenvitaminEaddingamountwas195mg/k6、g,experimentalfishhadthemaximalactivitiesofProtease(14.96U/mgprot)andAmylase(0.206U/mgprot),andhadminimalactivitiesoflipase(20.86U/gprot),respectively.Theconicanal—ysisofweightgain,specialgrowthrate,proteineficiencyratio,feedcoeficientandtheeffectofvitaminElevelona7、ctivi—tiesofdigestiveenzymesofM~gurnusanguillieaudatusindicatedthattheoptimalvitaminElevelofMisgurnusanguilli—caudatuswas156~196.28mg/kg.【Keywords】Misgurnusanguillicaudatus;vitaminE;growthperformance;digestiveenzymes维生素E是一种脂溶性维生素.又称生育降,贫血,红细胞大小不一,腹水,肌肉营养不良,酚。维生素E与水8、产动物机体代谢、抗氧化功能、脂质氧化等。斑点叉尾鲴(IetalurusPunetaus)缺乏免疫功能、繁殖性能、生长性能、肉质品质等有着维生素E会产生生长不良,眼球突出,背柱前凸密切的关系(肖金星和邵庆均,2009)。维生素E等症状(魏万权等,2003)。缺乏时,建鲤(Cyprinusca
3、$963【文献标识码1A[文章编号】1004—3314(2013)18-0034-04【Abstract]Inthisexperiment,540healthyMisgurnusanguillicaudatuswith(1.58~0.O1)gbodyweightwererandomlydividedinto6groupswith3replicatesof30each.Thecontrolgroupwasfedwithbasaldiet.theexperimentalgroupswerefedthefeedwiththevit
4、aminElevelsof24.375mg/kg(A),48.75mg/kg(B),97.5mg/kg(C),195mg/kg(D),390mg&g(E),respectively.Theexperimentlastedfor30d.Theresultshowedthat:WhenvitaminElevelwas195mg/kgdiet,thefishhadthemaximalweightgain,specialgrowthrate,proteineficiencyratio,andthefeedcoeficientachi
5、evedtheminimalswhichwere112.74%,2.51%,241.23%and2.15respectively,comparedwithcontrolgroup,thediferenceweresignificant(P<0.01).Inaddition,vitaminEhadsignificanteffectonactivitiesofdigestiveenzymesofMisgurnu~anguillicaudatus(P<0.05).WhenvitaminEaddingamountwas195mg/k
6、g,experimentalfishhadthemaximalactivitiesofProtease(14.96U/mgprot)andAmylase(0.206U/mgprot),andhadminimalactivitiesoflipase(20.86U/gprot),respectively.Theconicanal—ysisofweightgain,specialgrowthrate,proteineficiencyratio,feedcoeficientandtheeffectofvitaminElevelona
7、ctivi—tiesofdigestiveenzymesofM~gurnusanguillieaudatusindicatedthattheoptimalvitaminElevelofMisgurnusanguilli—caudatuswas156~196.28mg/kg.【Keywords】Misgurnusanguillicaudatus;vitaminE;growthperformance;digestiveenzymes维生素E是一种脂溶性维生素.又称生育降,贫血,红细胞大小不一,腹水,肌肉营养不良,酚。维生素E与水
8、产动物机体代谢、抗氧化功能、脂质氧化等。斑点叉尾鲴(IetalurusPunetaus)缺乏免疫功能、繁殖性能、生长性能、肉质品质等有着维生素E会产生生长不良,眼球突出,背柱前凸密切的关系(肖金星和邵庆均,2009)。维生素E等症状(魏万权等,2003)。缺乏时,建鲤(Cyprinusca
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