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1、IntestinalCannulationofCattleandSheepwithaT-ShapedCannulaDesignedforTotalDigestaCollectionWithoutExternalizingDigestaFlowR.J.KomarekJANIMSCI1981,53:796-802.Theonlineversionofthisarticle,alongwithupdatedinformationandservices,islocatedontheWorldWideWebat:
2、http://jas.fass.org/content/53/3/796www.asas.orgDownloadedfromjas.fass.orgbyguestonDecember31,2011INTESTINALCANNULATIONOFCATTLEANDSHEEPWITHAT-SHAPEDCANNULADESIGNEDFORTOTALDIGESTACOLLECTIONWITHOUTEXTERNALIZINGDIGESTAFLOWR.J.Komarekt,2ResearchLaboratories,
3、TennesseeEastmanCompany,EastmanChemicalsDivision,EastmanKodakCompany,Rochester,NY14603Summarycase,thecannularemainedfunctionalformorethan2~,~years.Anintestinalcannulawaspreparedthatwas(KeyWords:IntestinalCannula,Ruminants,designedtohavetheadvantagesofare
4、entrantCattle,Sheep,Duodenum,Ileum.)cannulawithoutpermanentlyexteriorizingdigestafloworaddingsignificantlytotheresistanceofdigestaflow.ThecannulawasIntroductionfabricatedintheshapeofaTfromaTeflonIntestinalcannulashaveproventobevalu-fluorocarbonpolymer.To
5、talpassageofdigestaabletoolsinthestudyofruminantdigestivethroughthelumenofthecannulawasaccom-function.Thecapabilitytosampleintestinalplishedbysuturingasupportbootaroundthedigestafromstrategicpositionsintheintestinaloutsideoftheintestineatthecannulationtr
6、actpermitsthegenerationofdataunobtain-site.Thesupportbootpreventedtheintestineablebyothermethods.PhiUipson(1952)usedfromstretchingawayfromthecannula.Digestaintestinalcannulasinhisearlystudiesoftheleakagearoundthebarrelofthecannulawaseliminatedbyaspecialp
7、eritonealringattachedphysiologyofdigestioninruminants.Oneoftothecannulainapositionthatinterruptedthemostusefulpreparations,thereentrantthecontinuityofthetubularscartissuethatcannuladescribedindetailbyMarkowitzetal.formedfromtheintestinealongsidethebarrel
8、(1964)fordogs,hadtheadvantageofpermit-totheskin.Thecannulawassupportedbyantingtotalcollectionofintestinaldigesta.Numerousresearchershaveusedthereentrantouterringheldinplacebyasimplestainlesscannulainsheepandcattle.Apopular
