Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/20334
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dc.contributor.authorKeerqin, Chakeen
dc.contributor.authorWu, Shubiaoen
dc.contributor.authorSvihus, Birgeren
dc.contributor.authorSwick, Robert Aen
dc.contributor.authorMorgan, Natalieen
dc.contributor.authorChoct, Minganen
dc.date.accessioned2017-04-04T16:10:00Z
dc.date.issued2017en
dc.identifier.citationAnimal Nutrition, 3(1), p. 25-32en
dc.identifier.issn2405-6545en
dc.identifier.urihttps://hdl.handle.net/1959.11/20334en
dc.description.abstractBroilers that have early access to feed have been shown to have enhanced immune system and gut development and heightened resilience against necrotic enteritis (NE). This study examined the effect of early feeding a high amino acid density diet on performance of broilers under a sub-clinical NE challenge model. Ross 308 broilers (n = 576) were assigned to a 2 x 2 x 2 factorial design with 2 feeding regimes (feed access either within 6 h post-hatch or after 48 h post-hatch), 2 diets (control diet or the control diet with an additional 10% digestible amino acids [HAA]) and either presence or absence of NE challenge. Oral administrations of 'Eimeria' species (d 9) and a field strain of 'Clostridium perfringens' (d 14) were used to induce NE. Broiler performance was analysed at d 13, 23, 30 and 35. Intestinal lesion score and bacterial count were analysed on d 16. The NE challenge reduced overall bird performance and induced severe intestinal lesions, without causing notable mortality. At d 23 bird weight was significantly lower (P < 0.001) in the challenged birds compared with the unchallenged birds, but by d 30 the challenged birds had recovered and challenge no longer had an impact on bird performance. Birds fed the HAA diet had greater body weight by d 35 and heightened 'Lactobacillus' content in the ileum at d 16 (P < 0.05). Birds that were fed the HAA diet after a period of fasting performed better in terms of feed conversion ratio (FCR) under challenge. The findings from this study suggest there are beneficial effects of feeding high amino acid diets to birds in response to external stresses, such as post-hatch fasting and subclinical NE.en
dc.languageenen
dc.publisherZhongguo Xumu Shouyi Xuehui [Chinese Association of Animal Science and Veterinary Medicine]en
dc.relation.ispartofAnimal Nutritionen
dc.titleAn early feeding regime and a high-density amino acid diet on growth performance of broilers under subclinical necrotic enteritis challengeen
dc.typeJournal Articleen
dc.identifier.doi10.1016/j.aninu.2017.01.002en
dcterms.accessRightsGolden
dc.subject.keywordsAnimal Nutritionen
dc.subject.keywordsAnimal Protection (Pests and Pathogens)en
local.contributor.firstnameChakeen
local.contributor.firstnameShubiaoen
local.contributor.firstnameBirgeren
local.contributor.firstnameRobert Aen
local.contributor.firstnameNatalieen
local.contributor.firstnameMinganen
local.subject.for2008070205 Animal Protection (Pests and Pathogens)en
local.subject.for2008070204 Animal Nutritionen
local.subject.seo2008830309 Poultryen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolAdministrationen
local.profile.emailckeerqi2@une.edu.auen
local.profile.emailswu3@une.edu.auen
local.profile.emailrswick@une.edu.auen
local.profile.emailnmorga20@une.edu.auen
local.profile.emailmchoct@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20170317-20514en
local.publisher.placeChinaen
local.format.startpage25en
local.format.endpage32en
local.peerreviewedYesen
local.identifier.volume3en
local.identifier.issue1en
local.access.fulltextYesen
local.contributor.lastnameKeerqinen
local.contributor.lastnameWuen
local.contributor.lastnameSvihusen
local.contributor.lastnameSwicken
local.contributor.lastnameMorganen
local.contributor.lastnameChocten
dc.identifier.staffune-id:ckeerqi2en
dc.identifier.staffune-id:swu3en
dc.identifier.staffune-id:rswicken
dc.identifier.staffune-id:nmorga20en
dc.identifier.staffune-id:mchocten
local.profile.orcid0000-0002-4157-1489en
local.profile.orcid0000-0002-1790-6015en
local.profile.orcid0000-0003-3376-1677en
local.profile.orcid0000-0002-9663-2365en
local.profile.orcid0000-0003-3821-8454en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:20534en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleAn early feeding regime and a high-density amino acid diet on growth performance of broilers under subclinical necrotic enteritis challengeen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.description.statisticsepubsVisitors: 68<br />Views: 305<br />Downloads: 1en
local.search.authorKeerqin, Chakeen
local.search.authorWu, Shubiaoen
local.search.authorSvihus, Birgeren
local.search.authorSwick, Robert Aen
local.search.authorMorgan, Natalieen
local.search.authorChoct, Minganen
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