Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/15140
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dc.contributor.authorWu, Shubiaoen
dc.contributor.authorCui, GMen
dc.contributor.authorRodgers, Nicholasen
dc.contributor.authorSun, Yen
dc.contributor.authorSwick, Robert Aen
local.source.editorEditor(s): Peter Selleen
dc.date.accessioned2014-05-27T16:52:00Z
dc.date.issued2014en
dc.identifier.citationProceedings of the 25th Annual Australian Poultry Science Symposium, p. 85-88en
dc.identifier.issn1034-6260en
dc.identifier.urihttps://hdl.handle.net/1959.11/15140en
dc.description.abstractFactors predisposing necrotic enteritis in broiler chickens are complex and their respective influences on the morphological changes of gut epithelial layer have not been widely investigated. A 2 x 2 x 2 factorial experiment with or without dietary fishmeal, 'Eimeria' inoculation and 'Clostridium perfringens' challenges was performed with each treatment having six replicates and each replicate containing 25 birds to investigate the influence of these factors on gut morphology. Challenge of the birds by 'C. perfringens' was carried out on d 14 and 15. Duodenal histomorphometrics were conducted using standard paraffin sectioning procedure and the villus height and crypt depth were measured using optical microscopy. The results showed no effects of dietary fishmeal inclusion or 'Eimeria' inoculation or their interaction prior to the 'C. perfringens' challenge, i.e., at d 13. At d 16, 'Eimeria' inoculation significantly reduced villus height (P < 0.001), while 250 g/kg dietary fishmeal significantly increased the crypt depth (P < 0.05). Furthermore, 'Eimeria' inoculation significantly reduced villus height to crypt depth ratio. 'C. perfringens' challenge on d 14 and 15 did not alter the morphometric characteristics. The morphometric data presented herein confirms previous suggestions that 'Eimeria' inoculation is more important than dietary fishmeal inclusion in predisposing birds to necrotic enteritis under experimental conditions.en
dc.languageenen
dc.publisherPoultry Research Foundation, University of Sydneyen
dc.relation.ispartofProceedings of the 25th Annual Australian Poultry Science Symposiumen
dc.relation.ispartofseriesAustralian Poultry Science Symposium Proceedingsen
dc.titleThe histomorphometric changes produced by 'Eimeria' and fishmeal in a broiler necrotic enteritis challenge modelen
dc.typeConference Publicationen
dc.relation.conference25th Annual Australian Poultry Science Symposium, Sydney, Australia, 16th - 19th February, 2014en
dc.subject.keywordsAnimal Nutritionen
local.contributor.firstnameShubiaoen
local.contributor.firstnameGMen
local.contributor.firstnameNicholasen
local.contributor.firstnameYen
local.contributor.firstnameRobert Aen
local.subject.for2008070204 Animal Nutritionen
local.subject.seo2008830309 Poultryen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolEnvironmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolEnvironmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailswu3@une.edu.auen
local.profile.emailnrodger2@une.edu.auen
local.profile.emailrswick@une.edu.auen
local.output.categoryE1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20140522-151347en
local.publisher.placeSydney, Australiaen
local.format.startpage85en
local.format.endpage88en
local.series.issn1034-6260en
local.series.number25en
local.peerreviewedYesen
local.contributor.lastnameWuen
local.contributor.lastnameCuien
local.contributor.lastnameRodgersen
local.contributor.lastnameSunen
local.contributor.lastnameSwicken
dc.identifier.staffune-id:swu3en
dc.identifier.staffune-id:nrodger2en
dc.identifier.staffune-id:rswicken
local.profile.orcid0000-0002-1790-6015en
local.profile.orcid0000-0003-3376-1677en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:15356en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleThe histomorphometric changes produced by 'Eimeria' and fishmeal in a broiler necrotic enteritis challenge modelen
local.output.categorydescriptionE1 Refereed Scholarly Conference Publicationen
local.relation.urlhttp://sydney.edu.au/vetscience/apss/proceed.shtmlen
local.conference.details25th Annual Australian Poultry Science Symposium, Sydney, Australia, 16th - 19th February, 2014en
local.description.statisticsepubsVisitors: 155<br />Views: 158<br />Downloads: 1en
local.search.authorWu, Shubiaoen
local.search.authorCui, GMen
local.search.authorRodgers, Nicholasen
local.search.authorSun, Yen
local.search.authorSwick, Robert Aen
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