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Effect of strain and storage period on egg quality characteristics of local Iraqi laying hens

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Author(s): H. N. Hermiz | K. A. Abas | T. R. Al-Khatib | Sh. M. Amin , | A. M. Ahmed , | D. A. Hamad , | H. P. Denha

Journal: Research Opinions in Animal & Veterinary Sciences
ISSN 2221-1896

Volume: 2;
Issue: 2;
Start page: 98;
Date: 2012;
Original page

Keywords: Poultry Strains | Storage Period | Egg Quality

ABSTRACT
This experiment was conducted to study the effect of strains of local hens and egg storage period at temperature (25°C) on egg quality traits. Twenty chickens of each genotype were kept in family pens and randomly distributed into two replicates. Nine eggs from each line were evaluated for external and internal egg quality. The correlations between external and internal egg quality traits were calculated; as well the regression of the traits on storage period was computed. The overall mean of egg weight (EW), egg index (EI), haugh unit (HU), albumin (AP) and yolk (YP) percentages were 58.44 (g), 1.31%, 77.67%, 55.22% and 29.26% respectively. The differences between lines were significant (P
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