重组大肠杆菌毒素蛋白lt-iic1b-stx2b-sta13的表达及其诱导小鼠体液免疫的研究

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1、￣．＇’？。Ｉ出１；二３中图分类号１０２２４学校代码密级公开学号１２０６１０４２８ｉ＾Ｉ嗦／、聲硕女学位伦文重组大肠杆菌毒素蛋白－－－ＬＴＩｌｃ１ＢＳｔｘ２ＢＳＴａ１３的表达及其诱导小鼠体液免疫的研究作者唐杰导师师东方教擾学位类别农学硕±所在学院动物医学学晓￣级学科普戾学二级学科预防含民学二〇＿五年六月独创声明本人声明所呈交的学位论文是本人在导师指导下进行的研究工作及取得的研究成果。据我所知，除了文中特别加Ｗ标注和致谢的地方

2、外，论文中不包含其他人已经发表或撰写过的研究成果，也不包含未获得（注＝如没有其他需要持别声明的，本栓可空）或其他教育化构的学化或证书巧一用过的材料。与我同工作的同志对本研究所做的任何贡献均己在论文中作了明确的说明并表示谢意。学位论文作者签名：曰期：年＾月／Ｚ曰谋系、学位论文版权使用授权书本学位论文作者完全了解学校有关保留、使用学位论文的规定，学校有权保留并向国家有关部口或机构送交论文的复印件和磁盘。，允许论文被查阅和借阅本人授权学校可将学位论文的全部或部分内容编入有关数据库进行检

3、索，可Ｗ采用影印、缩印或扫描等复制手段保存、汇编学位论文。（保密的学位论文在解密后适用本授权书）学位论文作者签名；日期；如年《月／、２日高乐■导师签名：曰期；知皆年乙月／＾曰ClassifiedIndex：Code：10224Confidential(yes/no)：noNO.：120610428DissertationfortheMasterDegreeExpressionofRecombinantE.coliToxinProteinLT-IIc1B-Stx2B-STa13andtheHum

4、oralImmuneinMiceInducedbyItCandidate:TangJieSupervisor:ProfessorShiDongfangDegreeCategory:MasterofAgricultureCollege:NortheastAgriculturalUniversityFirstleveldiscipline:VeterinaryScienceSecondleveldiscipline:PreventiveVeterinaryMedicineHarbinChinaJune2015本研究受到国家

5、科技支撑计划项目（2012BAD12B03-3，2012BAD12B05-2）资助目录目录摘要.............................................................................................................................................I中文摘要.....................................................................

6、..............................................................III1引言.........................................................................................................................................11.1犊牛腹泻的概述··············································

7、·········································11.1.1细菌性腹泻························································································11.1.2病毒性腹泻························································································21.1.3寄生虫性腹泻···········

8、··········································································31.2犊牛大肠杆菌性腹泻···············································································