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ID:23519280
大小:14.70 MB
页数:75页
时间:2018-11-08
《二种益生菌对军曹鱼幼鱼生长性能、免疫酶和消化酶活性、肠道菌群结构及tlr9基因表达量的影响》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、50d,T1-T6groupsofhindgutdiversityofaveragebandswas15andallofthemwerenosignificantdifference,exceptT3groupthathad10bands.TO—T3had10commonstripsandband6,28,35,40arethemajorsuperiorityflorainthehindgut,whichtheproportionis36.1%,15.75%,15.27%,11.74%,respectively.Thesimilarityofintestinalmi
2、croflorainTOgroupandT1-T3groupis67%,66%,52%.T4andT6groupshad10commonbandsandband5,32,37,40arethemajorsuperioritybacteriathattheproportionis42.16%,14.97%,10.36%and10.68%respectively.ThesimilarityintestinalmicrofloraofT4groupandT5,T6groupintercomparisonis58%,46%and64%.TheexpressionofTLR9
3、geneinliverofT2groupwasnosignificantdifference、析ththecontrolgroup(尸>O.05),butTLR9geneexpressioninliverWassignificantlyimprovedofothergroups,especiallyT4-T6groupsweresignificantlyhigherthanthatofTO—T3groups(P<0.05),butnosignificantdifferenceamongT4一T6groups(尸>0.05).TheexpressionofTLR9ge
4、neinkidneyofT3一T6groupsshowedsignificantlyhigherthanthatofthecontrolgroup∽0.05),andT6groupWassignificantlyhigherthanthatofT3一T5groups(尸5、TLR9inintestineofT1一T6groupsweresignificantlyhigherthanthecontrolgroup妒<0.05),whileT1-T3groupswerenosignificantdifferenceeachotheraswellasT4一T6groupsU,>0.05).Therefore,dietaryadministrationofBacillussubtilis,Lactobacillusacidophilusasseparateorcompounds(1:1),couldpromotedthegrowthperfo6、rmance,immuneenzymes,digestiveenzymes,improvedtheintestinalmicrofloraandincreasetheexpressionquantityofTLR9ofjuvenilecobia.Continuousfeedingisbetterthannon·continuousfeedingandthemixeddiethadthebestefjf宅ct.Keywords:Rach)7centroncanadum,probiotic,growthperformance,intestinalmicroflora,T7、LR9VII目录摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯IAbstract⋯.⋯⋯...⋯⋯...⋯..⋯.⋯.⋯.⋯⋯⋯...⋯.⋯.⋯⋯⋯..⋯.⋯⋯⋯.⋯⋯...⋯...⋯.⋯⋯.⋯.⋯......⋯IV1前言⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11.1军曹鱼生物学特征及养殖概况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..11.1.1军曹鱼生物学特征⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯l1.1.2军曹鱼养殖概况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11.2益生菌及其在鱼类中的应
5、TLR9inintestineofT1一T6groupsweresignificantlyhigherthanthecontrolgroup妒<0.05),whileT1-T3groupswerenosignificantdifferenceeachotheraswellasT4一T6groupsU,>0.05).Therefore,dietaryadministrationofBacillussubtilis,Lactobacillusacidophilusasseparateorcompounds(1:1),couldpromotedthegrowthperfo
6、rmance,immuneenzymes,digestiveenzymes,improvedtheintestinalmicrofloraandincreasetheexpressionquantityofTLR9ofjuvenilecobia.Continuousfeedingisbetterthannon·continuousfeedingandthemixeddiethadthebestefjf宅ct.Keywords:Rach)7centroncanadum,probiotic,growthperformance,intestinalmicroflora,T
7、LR9VII目录摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯IAbstract⋯.⋯⋯...⋯⋯...⋯..⋯.⋯.⋯.⋯⋯⋯...⋯.⋯.⋯⋯⋯..⋯.⋯⋯⋯.⋯⋯...⋯...⋯.⋯⋯.⋯.⋯......⋯IV1前言⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11.1军曹鱼生物学特征及养殖概况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..11.1.1军曹鱼生物学特征⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯l1.1.2军曹鱼养殖概况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11.2益生菌及其在鱼类中的应
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