Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/81688
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dc.contributor.authorRoberts, J.en
dc.contributor.authorChousalkar, K.en
dc.contributor.authorSamiullah, S.en
dc.date.issued2013en
dc.identifier.citationAnimal Production Science, 2013; 53(12):1291-1297en
dc.identifier.issn1836-0939en
dc.identifier.issn1836-5787en
dc.identifier.urihttp://hdl.handle.net/2440/81688-
dc.description.abstractEggs were collected from commercial caged layer flocks in early, mid, late and very late lay. Eggs were candled and scored for translucency. Cuticle cover was estimated using MST Cuticle Stain and a Konica Minolta hand-held spectrophotometer. Traditional measures of egg quality were determined using specialised equipment. Shell ultrastructural features were scored following plasma ashing of shell samples and viewing under a benchtop scanning electron microscope. Translucency score was significantly higher in late lay than for all other age groups. Shell quality declined with increasing flock age. However, the extent of cuticle cover on the egg shell was not significantly different among flock age groups. The incidence of shell ultrastructural features associated with good quality shells was lower for older flocks and incidence of ultrastructural features associated with poorer quality shells was higher for older flocks. Translucency score had a low correlation with the ultrastructural features of the mammillary layer.en
dc.description.statementofresponsibilityJ. R. Roberts, Kapil Chousalkar and Samiullahen
dc.language.isoenen
dc.publisherC S I R O Publishingen
dc.rightsCopyright status unknownen
dc.subjectcuticle; food safety; shell quality; translucencyen
dc.titleEgg quality and age of laying hens: Implications for product safetyen
dc.typeJournal articleen
dc.identifier.rmid0020133008en
dc.identifier.doi10.1071/AN12345en
dc.identifier.pubid17325-
pubs.library.collectionAnimal and Veterinary Sciences publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Animal and Veterinary Sciences publications

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