河南科技学院2013届本科毕业论文（设计）鸡大肠杆菌病病原的分离与鉴定及药敏试验学生姓名：时科所在院（系）：动物科学学院所学专业：动物医学导师姓名：常新耀完成时间：2013年5月鸡大肠杆菌病病原的分离与鉴定及药敏试验摘要鸡大肠杆菌感染是危害养鸡业的主要细菌性传染病，无菌采取南阳市唐河县某鸡场中疑似大肠杆菌病死雏鸡肝、脾、肺等脏器病料，通过结合综合流行病学、临床学、病理学、生物化学和传染病学，进行分离与鉴定，最终确诊为鸡大肠杆菌病。从部分养鸡场分离出的细菌进行药敏试验，通过药敏试验筛选出敏感药物，为治疗与预防提供理论依据和实际应用参数。关键词：大肠杆菌，分离，鉴定，药敏试验TheSeparation,IdentificationAndAntimicrobialSusceptibilityTestOfChickenColibacillosisAbstractChickencolibacillosisinfectionisthemajorinfectiousdiseasesinpoultryindustry.Sterilelyresortingtovisceralorgans,suchaslivers,spleens,lungsofillness,chicklingsthataresuspectedcolibacillosisofeachlargechickenplacesinShanxian,bythemeansofcombingwithepidemiology,clinical,pathology,biochemistryandepidemiology,wecanseparateandidentificatetodiagnosewhetheritiscolibacillosisornot.BythemeansofformdyeingandBiochemicaltestsandthenantimicrobialsusceptibilitytestonbacteriumthatisseparatedfrompartchickenplaces,wecanscreensomeSensitivedrugsandfindmoreeffectiveproprietarytoProvidetheoreticalbasisandpracticalparametersoftreatmentandprevention.Keywords:Colibacillosis，Separation，Identification，AntimicrobialSusceptibilityTest目录前言................................................................................................................................................11材料与方法...................................................................................................................................11.1材料....................................................................................................................................1病料来源......................................................................................................................1仪器及设备..................................................................................................................1培养基与试剂..............................................................................................................11.1.4试验动物................................................................................................................21.2试验方法......................................................................................................................2病理剖检......................................................................................................................2大肠杆菌的分离鉴定...................................................................................................2病料采集......................................................................................................................2分离培养......................................................................................................................2镜检..............................................................................................................................2生化鉴定......................................................................................................................3致病性试验..................................................................................................................3药...
