Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/30388
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dc.contributor.authorMusigwa, Sostheneen
dc.contributor.authorMorgan, Natalieen
dc.contributor.authorSwick, Robert Aen
dc.contributor.authorCozannet, Pierreen
dc.contributor.authorWu, Shu-Biaoen
dc.date.accessioned2021-04-12T06:24:41Z-
dc.date.available2021-04-12T06:24:41Z-
dc.date.issued2020-12-
dc.identifier.citationThe Journal of Applied Poultry Research, 29(4), p. 830-841en
dc.identifier.issn1537-0437en
dc.identifier.issn1056-6171en
dc.identifier.issn1542-6629en
dc.identifier.urihttps://hdl.handle.net/1959.11/30388-
dc.description.abstractThere has been extensive research on feeding broilers low-CP (LCP) diets to reduce nitrogen (N) excretion in the environment. It is well established that broilers fed LCP diets exhibit improvements in N efficiency, but this is coupled with inferior growth performance and poor carcass quality. Therefore, 2 experiments were undertaken to explore energy and N balance and performance in birds fed LCP diets to determine bird responses to dietary energy content. Both experiments used isoenergetic grower–finisher diets formulated to reduced- or high-CP (HCP) level. Measurements of AME, net energy, and N balance were conducted in a calorimetry system (experiment 1), and bird performance was measured in a floor pen feeding study (experiment 2). In experiment 1, birds fed the LCP diet had a comparatively higher ratio of energy (AME and net energy) intake to N retained, higher N efficiency (N retained/N intake), and higher ratio of energy retained as fat to total energy retention. In experiment 2, the LCP-fed birds had a comparatively higher feed conversion ratio at day 14 to 35 and a higher relative fat pad weight on day 35. Abdominal fat pad was positively correlated with the energy (AME and net energy) intake–to–weight gain ratio, suggesting that energy in excess was deposited as fat. These results present more highly efficient use of N in broilers reared on LCP diets. However, these birds also consumed excess energy relative to N retained, which was deposited as body fat accretion, thereby increasing the feed conversion ratio.en
dc.languageenen
dc.publisherOxford University Pressen
dc.relation.ispartofThe Journal of Applied Poultry Researchen
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.titleEnergy dynamics, nitrogen balance, and performance in broilers fed high- and reduced-CP dietsen
dc.typeJournal Articleen
dc.identifier.doi10.1016/j.japr.2020.08.001en
dcterms.accessRightsUNE Greenen
local.contributor.firstnameSostheneen
local.contributor.firstnameNatalieen
local.contributor.firstnameRobert Aen
local.contributor.firstnamePierreen
local.contributor.firstnameShu-Biaoen
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.schoolResearch Centres, Institutes, CRCsen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailsmusigw2@une.edu.auen
local.profile.emailnmorga20@une.edu.auen
local.profile.emailrswick@une.edu.auen
local.profile.emailswu3@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.publisher.placeUnited States of Americaen
local.format.startpage830en
local.format.endpage841en
local.identifier.scopusid85091026906en
local.peerreviewedYesen
local.identifier.volume29en
local.identifier.issue4en
local.access.fulltextYesen
local.contributor.lastnameMusigwaen
local.contributor.lastnameMorganen
local.contributor.lastnameSwicken
local.contributor.lastnameCozanneten
local.contributor.lastnameWuen
dc.identifier.staffune-id:smusigw2en
dc.identifier.staffune-id:nmorga20en
dc.identifier.staffune-id:rswicken
dc.identifier.staffune-id:swu3en
local.profile.orcid0000-0002-1089-0786en
local.profile.orcid0000-0002-9663-2365en
local.profile.orcid0000-0003-3376-1677en
local.profile.orcid0000-0002-1790-6015en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:1959.11/30388en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleEnergy dynamics, nitrogen balance, and performance in broilers fed high- and reduced-CP dietsen
local.relation.fundingsourcenoteThe Poultry Hub Australia financed the project (grant ID 2017/18)en
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.search.authorMusigwa, Sostheneen
local.search.authorMorgan, Natalieen
local.search.authorSwick, Robert Aen
local.search.authorCozannet, Pierreen
local.search.authorWu, Shu-Biaoen
local.open.fileurlhttps://rune.une.edu.au/web/retrieve/5862b553-c7de-4688-bca3-249fe500aee7en
local.uneassociationYesen
local.atsiresearchNoen
local.sensitive.culturalNoen
local.identifier.wosid000594951700007en
local.year.published2020en
local.fileurl.openhttps://rune.une.edu.au/web/retrieve/5862b553-c7de-4688-bca3-249fe500aee7en
local.fileurl.openpublishedhttps://rune.une.edu.au/web/retrieve/5862b553-c7de-4688-bca3-249fe500aee7en
local.subject.for2020300303 Animal nutritionen
local.subject.seo2020100411 Poultryen
dc.notification.token022310eb-2dc3-462c-8f94-01665c3f48fden
Appears in Collections:Journal Article
School of Environmental and Rural Science
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