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时间:2020-03-16
《冠状病毒Coronavirusl论文-2005 Canine Coronavirus-Associated Puppy Mortality without Evidence of Concurrent Canine Parvovirus Infection.pdf》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、610BriefCommunicationsJVetDiagnInvest17:610±614(2005)Caninecoronavirus-associatedpuppymortalitywithoutevidenceofconcurrentcanineparvovirusinfectionJ.F.Evermann,J.R.Abbott,S.HanAbstract.Thisreportpresents2casesinwhichpuppyfatalitieswereassociatedwithcaninecoronavirus(CCV),butnoevidenceof
2、concurrentcanineparvovirus(CPV-2)diseasewasobserved.Case1involveda7-week-old,maleshort-hairedChihuahua,whichhadbecomelethargic24hoursafterpurchasefromapetstore.Within72hours,thepuppybegantovomit,haddiarrhea,andwasadmittedtotheveterinaryclinic,whereitwasplacedonIV¯uids.TheparvovirusCitet
3、testwasnegative.Thepuppydiedwithin12hoursofadmissionandwassubmittedfordiagnosticworkup.GrosspathologyrevealedanenteritissuggestiveofCPV-2.Histo-pathologyonintestinesshowedscattereddilatedcryptswithnecroticcellulardebrisandneutrophils.Therewasmoderatedepletionandnecrosisoflymphoidfollicl
4、es.Electronmicroscopy(EM)onintestinalcontentswaspositiveforcoronavirusandnegativeforparvovirus.Immunohistochemistry(IHC)ongutsectionswaspositiveforCCVandnegativeforCPV-2.Case2wasan8-week-old,maleShihTzu,whichwasadmittedtotheveterinaryclinicexhibitingsymptomsofseveregastroenteritiswithab
5、dominalpain.Thereferringveterinarianeuthanizedthepuppy,andtheentirebodywassubmittedfordiagnosticevaluation.Necropsyrevealedasevereileo-cecalintussusceptionandsegmentalnecroticenteritisofthesmallintestine.Electronmicroscopyoftheintestinalcontentswaspositiveforcoronavirusandnegativeforpar
6、vovirus.ImmunohistochemistryonsectionsofaffectedgutwerepositiveforCCVandnegativeforCPV-2.ThesecasesemphasizetheimportanceofpursuingadiagnosisofCCVinyoungpuppieswhenCPV-2diseasehasbeenruledoutbyIHC.Keywords:Caninecoronavirus;canineenteritis;canineparvovirus;immunohistochemistry.CanineCor
7、onavirus(CCV)wasinitiallyreportedasthenouncedindogsthathadbothCPV-2andCCVinfectionscausalagentofacuteenteritisindogshousedinamilitarycomparedwithCPV-2alone.1canineunitin1974.8Themorbiditywashigh,butthemor-Overthepast26years,theetiologyofcanineenteritishastalityratewaslow.8Overt
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