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Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/30686
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dc.contributor.authorDao, H Ten
dc.contributor.authorSwick, R Aen
dc.contributor.authorNguyen, T Ven
dc.contributor.authorHunt, P Wen
dc.contributor.authorHine, B Cen
dc.contributor.authorLisle, Len
dc.contributor.authorRuhnke, Ien
dc.date.accessioned2021-06-02T04:20:32Z-
dc.date.available2021-06-02T04:20:32Z-
dc.date.issued2020-
dc.identifier.citationAnimal Production Science, 60(17), p. 2060-2067en
dc.identifier.issn1836-5787en
dc.identifier.issn1836-0939en
dc.identifier.urihttps://hdl.handle.net/1959.11/30686-
dc.description.abstract<p><b>Context:</b> In Australia and many other countries, free-range eggs can be sold at significantly higher prices than cage eggs. Mislabelling cage eggs as free-range eggs and vice versa has been documented, and has a significant impact on consumer trust and egg consumption. The development of methods to identify eggs produced from different production systems is necessary to satisfy consumer demand.</p><p> <b>Aims:</b> The objective of this study was to determine whether eggshell mineral composition could be used as a way to differentiate eggs originating from each production system. Our hypothesis was that birds with access to soil would have higher levels of trace minerals in shells.</p><p> <b>Methods:</b> Eggs were randomly collected from six commercial caged and six commercial free-range flocks in Australia. Twelve eggshell samples from each flock were analysed for mineral composition (Ca, P, Mg, Na, Al, B, Cu, Mn, Fe, K, S and Zn) by using inductively coupled plasma-optical emission spectrometry.</p><p> <b>Key results:</b> The results showed that free-range eggshells contained significantly higher contents of macro-minerals (P, Mg and Na) but lower contents of micro-minerals (Cu, Fe, K, S and Mn) than the cage eggshells (<i>P</i> < 0.05). For all minerals measured, a high variability was noted within and between production systems.</p><p> <b>Conclusions:</b> Analysis of eggshell mineral composition may not be effective for determining the origin of eggs.</p><p> <b>Implications:</b> Systematic studies of the bird’s environment, including analysis of mineral composition in diets, pastures, soil and drinking water are required for comprehensive evaluation of the influences of production systems of laying hens on mineral composition of eggs and eggshells.</p>en
dc.languageenen
dc.publisherCSIRO Publishingen
dc.relation.ispartofAnimal Production Scienceen
dc.titleA comparison of eggshell mineral composition between cage and free-range eggs via inductively coupled plasma-optical emission spectrometryen
dc.typeJournal Articleen
dc.identifier.doi10.1071/AN19705en
local.contributor.firstnameH Ten
local.contributor.firstnameR Aen
local.contributor.firstnameT Ven
local.contributor.firstnameP Wen
local.contributor.firstnameB Cen
local.contributor.firstnameLen
local.contributor.firstnameIen
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.emailtdao@myune.edu.auen
local.profile.emailrswick@une.edu.auen
local.profile.emailllisle@une.edu.auen
local.profile.emailiruhnke@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.publisher.placeAustraliaen
local.format.startpage2060en
local.format.endpage2067en
local.identifier.scopusid85090675896en
local.peerreviewedYesen
local.identifier.volume60en
local.identifier.issue17en
local.contributor.lastnameDaoen
local.contributor.lastnameSwicken
local.contributor.lastnameNguyenen
local.contributor.lastnameHunten
local.contributor.lastnameHineen
local.contributor.lastnameLisleen
local.contributor.lastnameRuhnkeen
dc.identifier.staffune-id:tdaoen
dc.identifier.staffune-id:rswicken
dc.identifier.staffune-id:llisleen
dc.identifier.staffune-id:iruhnkeen
local.profile.orcid0000-0003-3376-1677en
local.profile.orcid0000-0001-5423-9306en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:1959.11/30686en
local.date.onlineversion2020-07-10-
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleA comparison of eggshell mineral composition between cage and free-range eggs via inductively coupled plasma-optical emission spectrometryen
local.relation.fundingsourcenoteThe authors thank the School of Environmental and Rural Science, Faculty of Science, Agriculture, Business and Law, University of New England, NSW, Australia for financial support for this study.en
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.search.authorDao, H Ten
local.search.authorSwick, R Aen
local.search.authorNguyen, T Ven
local.search.authorHunt, P Wen
local.search.authorHine, B Cen
local.search.authorLisle, Len
local.search.authorRuhnke, Ien
local.uneassociationYesen
local.atsiresearchNoen
local.sensitive.culturalNoen
local.year.available2020-
local.year.published2020-
local.fileurl.closedpublishedhttps://rune.une.edu.au/web/retrieve/e05bde46-9ff2-418b-badf-ba1caf0fc9b0en
local.subject.for2020300302 Animal managementen
local.subject.seo2020100411 Poultryen
local.profile.affiliationtypeUnknownen
local.profile.affiliationtypeUnknownen
local.profile.affiliationtypeUnknownen
local.profile.affiliationtypeUnknownen
local.profile.affiliationtypeUnknownen
local.profile.affiliationtypeUnknownen
local.profile.affiliationtypeUnknownen
Appears in Collections:Journal Article
School of Environmental and Rural Science
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