Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/26753
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dc.contributor.authorMoss, Amy Fen
dc.contributor.authorChrystal, Peter Ven
dc.contributor.authorTruong, Ha Hen
dc.contributor.authorLiu, Sonia Yunen
dc.contributor.authorSelle, Peter Hen
dc.date.accessioned2019-04-18T04:34:11Z-
dc.date.available2019-04-18T04:34:11Z-
dc.date.issued2017-12-
dc.identifier.citationAnimal Feed Science and Technology, v.234, p. 139-150en
dc.identifier.issn1873-2216en
dc.identifier.issn0377-8401en
dc.identifier.urihttps://hdl.handle.net/1959.11/26753-
dc.description.abstractEach of eight dietary treatments was offered to seven replicates (six birds per cage) of male Ross 308 chicks from 7 to 28 days post-hatch. The diets contained 741 g/kg wheat incorporated as ground (3.2 mm hammer-mill screen) wheat or 125 g/kg whole wheat included in diets, either pre- or post-pelleting. In Experiment 1 of the study, ground grain, pre-pellet and post-pellet whole grain diets were offered with and without phytase as a 3 × 2 factorial array of treatments. The effects of dietary treatments on gizzard and pancreas weights, bone mineralisation, excreta dry matter, growth performance, nutrient utilisation, digestibility coefficients and disappearance rates of starch and protein (N) in four small intestinal segments were determined. Post-pellet whole grain addition significantly increased gizzard weight by 12.5% (18.17 versus 16.15 g/kg; P < 0.001). Pre- and post-pellet whole grain additions improved FCR (P < 0.10) by 1.40% and 2.28%, respectively. Exogenous phytase significantly enhanced weight gain by 4.76% (1519 versus 1450 g/bird; P < 0.001) and FCR by 1.99% (1.332 versus 1.359; P < 0.03) irrespective of the context. Significant interactions between grain and phytase treatments were observed for energy utilisation parameters. However, pre- and post-pellet whole grain additions to non-supplemented diets significantly improved AMEn by 0.31 MJ (11.89 versus 11.58 MJ/kg; P < 0.04) and 0.48 MJ (12.06 versus 11.58 MJ/kg; P < 0.001), respectively. Post-pellet whole grain addition to non-supplemented diets significantly improved AME (13.49 versus 12.99 MJ/kg; P < 0.001) and ME:GE ratios (0.79 versus 0.77; P < 0.003). Phytase addition significantly improved AME in ground grain and pre-pellet whole grain diets by 0.43 MJ and 0.30 MJ, respectively. Phytase addition improved AMEn by 0.49 MJ in ground grain diets but this was not significant and otherwise did not influence AMEn. In Experiment 2, phytase and protease, individually and in combination, were included in diets containing 12.5% pre-pellet whole wheat as a 2 × 2 factorial treatment array. There was a significant interaction (P < 0.015) for weight gain following phytase and protease additions to pre-pellet whole grain diets where phytase significantly increased weight gain by 6.91% (1548 versus 1448 g/bird). Protease supplementation alone numerically increased weight gain, but in combination with phytase, numerically decreased weight gain. Phytase improved FCR by 2.15% (1.319 versus 1.348; P < 0.01) and protease improved FCR by 1.41% (1.324 versus 1.343; P < 0.05), but in combination, both feed enzymes improved FCR by 3.52% (1.317 versus 1.365; P < 0.005) relative to the negative control. It is noteworthy that in the first experiment, whole wheat inclusions did not significantly influence starch digestibility but phytase inclusions increased distal ileal starch digestibility by 5.10% (0.948 versus 0.902; P < 0.05) in pre-pellet and by 3.85% (0.943 versus 0.908; P < 0.05) in post-pellet whole grain treatments.en
dc.languageenen
dc.publisherElsevier BVen
dc.relation.ispartofAnimal Feed Science and Technologyen
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.titleEffects of phytase inclusions in diets containing ground wheat or 12.5% whole wheat (pre- and post-pellet) and phytase and protease additions, individually and in combination, to diets containing 12.5% pre-pellet whole wheat on the performance of broiler chickensen
dc.typeJournal Articleen
dc.identifier.doi10.1016/j.anifeedsci.2017.09.007en
dcterms.accessRightsUNE Greenen
local.contributor.firstnameAmy Fen
local.contributor.firstnamePeter Ven
local.contributor.firstnameHa Hen
local.contributor.firstnameSonia Yunen
local.contributor.firstnamePeter Hen
local.subject.for2008070204 Animal Nutritionen
local.subject.for2008070202 Animal Growth and Developmenten
local.subject.seo2008830309 Poultryen
local.profile.schoolEnvironmental and Rural Scienceen
local.profile.emailamoss22@une.edu.auen
local.output.categoryC1en
local.grant.numberPRJ-009099en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.publisher.placeNetherlandsen
local.format.startpage139en
local.format.endpage150en
local.identifier.scopusid85034431538en
local.peerreviewedYesen
local.identifier.volume234en
local.access.fulltextYesen
local.contributor.lastnameMossen
local.contributor.lastnameChrystalen
local.contributor.lastnameTruongen
local.contributor.lastnameLiuen
local.contributor.lastnameSelleen
dc.identifier.staffune-id:amoss22en
local.profile.orcid0000-0002-8647-8448en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:1959.11/26753en
local.date.onlineversion2017-09-14-
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleEffects of phytase inclusions in diets containing ground wheat or 12.5% whole wheat (pre- and post-pellet) and phytase and protease additions, individually and in combination, to diets containing 12.5% pre-pellet whole wheat on the performance of broiler chickensen
local.relation.fundingsourcenoteRIRDC Chicken-meaten
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.search.authorMoss, Amy Fen
local.search.authorChrystal, Peter Ven
local.search.authorTruong, Ha Hen
local.search.authorLiu, Sonia Yunen
local.search.authorSelle, Peter Hen
local.open.fileurlhttps://rune.une.edu.au/web/retrieve/e729d83a-2ad9-4bea-97aa-1805bb524034en
local.uneassociationUnknownen
local.identifier.wosid000418629100015en
local.year.available2017en
local.year.published2017en
local.fileurl.openhttps://rune.une.edu.au/web/retrieve/e729d83a-2ad9-4bea-97aa-1805bb524034en
local.fileurl.openpublishedhttps://rune.une.edu.au/web/retrieve/e729d83a-2ad9-4bea-97aa-1805bb524034en
local.subject.for2020300303 Animal nutritionen
local.subject.for2020300301 Animal growth and developmenten
local.subject.seo2020100411 Poultryen
Appears in Collections:Journal Article
School of Environmental and Rural Science
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