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ID:32195746
大小:1.68 MB
页数:29页
时间:2019-02-01
《山东省部分地区规模化牛场五种主要疫病的流行情况调查》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、万方数据山东省部分地区规模化牛场五种主要疫病的流行情况调查MAP)from25farmsofShandongProvinceweredetectedinthisstudy,usingBovineViralDiarrhoeaVirusAntibodyTestKit(BVDVAb),BovineRhinotracheitisVirus(BHV-1)gEAntibodyTestKit,BluetongueVirus(BTV)VP7AntibodyTestKit(BluetongueCompetition),MycobacteriumBovisAntibodyTestKitandMyc
2、obacteriumparatuberculosisAntibodyTestKit(ParatuberculosisScreening)ofAmericanidexxcompany.TheresultshownthattheseroprevalenceofBVDis66.26%(491/741),IBRVgE31.52%(232/736),M.bovis10.47%(76/726),MAP4.61%(34/737)and(BTV)VP7O.41%(7/737).Itshowsthatinfectionrateoffarmsiscomparativelyhi曲andexistmi
3、xedinfection.Thetripleinfectionratehasreached40%,doubleinfectionrate32%,singleinfectionrate16%,quadrupleinfectionrate8%,andtotaldetectionrate96%.Differentcattlefarmshavedifferentinfectionstatus,andtheindividualpositiverateofBVDincattlefarmsis88.89%,IBR35%,MycobacteriumBovis10%,MycobacteriumP
4、aratuberculosis9.45%andBT0.28%.TheindividualpositiverateofBVDinbeefcattlefarmsis34.75%,1BR41.18%,andMyeobacteriumBovis5.56%.TheresultsofMycobacteriumParatuberculosisandBTareallfeminine.TheindividualpositiverateofBVDindairyfarmsis50.83%,IBR20.83%,MycobacteriumBovis13.75%andBT27.5%.Theresultso
5、fMycobacteriumParatuberculosisarefeminine.Accordingtotheresultsofthestudy,itCanbeseenthattherearevariouskindsofinfectionstatusindifferentareasaswellasfarmsofdifferentscales.‰nitcomestotheinfectionstatusofdifferentdiseases,thereisagreatdifferenceininfectionrate.TheinfectionrateofBVDisthehighe
6、st,followedbyIBRandBovineTuberculosis,andtherateofBTisthelowest.ThisstudyhasprovidedepidemiologicaldataforBVD,IBR,BovineTuberculosis,BovineParatuberculosisandBT,whichhasimportantveterinarianlemologyandpublichealthsignificance.Keywords:BovineViralDiarrhoea(nVD),InfectiousBovineRhinotracheitis
7、(mR),BovineTuberculosis,BovineParatuberculosis,Bluetongue03D,SerologicDetectionIV万方数据山东农业大学全日制硕士专业学位论文刖吾山东是养殖业大省,近几年随着养殖环境的日益复杂,牛疫病种类增多,发病率增高,危害严重。疫病呈地方性分布,各地发生程度不同,危害我省养牛业的重要疫情有牛病毒性腹泻/粘膜病和牛传染性鼻气管炎等。牛病毒性腹泻/黏膜病具有腹泻、急慢性黏膜病、持续性感染、免疫耐受等临床特征(朴范泽等,2010),
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