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|Title:||Protoporphyrin IX in shell and cuticle of brown shelled eggs||Contributor(s):||Samiullah, Samiullah (author); Roberts, Julie R (author)||Publication Date:||2013||Handle Link:||https://hdl.handle.net/1959.11/18714||Abstract:||Eggs were collected from Hy-Line brown flocks aged 33, 50 and 67 wk. Thirty eggs from each flock were analyzed to determine the reliability of MST (MS Technologies, U.K.) cuticle blue stain as an indicator of the presence of cuticle and the effective removal of cuticle by use of an EDTA solution. Another 30 eggs, collected at the same time from each flock, were processed for the quantification of protoporphyrin IX (PP IX) from the eggshell with and without the presence of cuticle. The L*a* components of the colour space system were significantly different among the age groups. There was a high degree of correlation between the extent of MST cuticle blue staining and the amount of cuticle on the eggshell as recorded by scanning electron microscopy. PP IX pigment was quantified by spectrophotometric analysis of digested eggshell solutions.||Publication Type:||Conference Publication||Conference Name:||24th Annual Australian Poultry Science Symposium, Sydney, Australia, 17th - 20th February, 2013||Conference Details:||24th Annual Australian Poultry Science Symposium, Sydney, Australia, 17th - 20th February, 2013||Source of Publication:||Proceedings of the 24th Annual Australian Poultry Science Symposium, p. 260-263||Publisher:||Poultry Research Foundation, University of Sydney||Place of Publication:||Sydney, Australia||ISSN:||1034-6260||Field of Research (FOR):||070299 Animal Production not elsewhere classified||Socio-Economic Outcome Codes:||830309 Poultry||Peer Reviewed:||Yes||HERDC Category Description:||E1 Refereed Scholarly Conference Publication||Other Links:||http://sydney.edu.au/vetscience/apss/proceed.shtml||Series Name:||Australian Poultry Science Symposium Proceedings||Series Number :||24||Statistics to Oct 2018:||Visitors: 64
|Appears in Collections:||Conference Publication|
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