COMPARISON OF ELECTROPHORETIC PATTERN OF PROTEINS , LIPOPROTEINS AND FREE FATTY ACIDS CONCENTRATIONS OF TWO JAPANESE QUAIL STRAINS EGG

	COMPARISON OF ELECTROPHORETIC PATTERN OF PROTEINS , LIPOPROTEINS AND FREE FATTY ACIDS CONCENTRATIONS OF TWO JAPANESE QUAIL STRAINS EGG
AL-TAQANI
Article 1, Volume 24, Issue 5, 2011, Pages 0-0
Abstract
The objective of this study was to compare electrophoretic pattern of egg proteins for two strains of Japanese quail (Coturnix coturnix japonica) which were brown and white strain by using disc - gel electrophoresis , also the objective aimed to determine High Density Lipoprotein (HDL) , Low Density Lipoprotein (LDL) , Very Low Density Lipoprotein (VLDL) and Free Fatty Acids (FFA) concentration in egg yolk . A total of 75 day old chicks of each strain were distributed into three replicates (25 bird per replicate) and reared at 2 m3 metallic cage. The data obtained revealed that, although the differences appeared between the two strains in the electrophoretic pattern of egg white, the numbers of separated bands of white and yolk proteins were equal in each strain which it separated into 19 bands in each for the two strains. Brown quail predominant white quail significantly (P<0.05) in the concentration of HDL and its average value were 68.6 and 65.4 mg / gm egg yolk for brown and white quail respectively during 3 months of egg production, in the same time white quail predominant brown quail in the concentration of LDL and VLDL and its average values were 50.8 and 149.0 mg / gm egg yolk for white quail and were 46.6 and 142.7 mg / gm egg yolk for brown quail respectively during 3 months of egg production, no differences appeared between the two strains in the concentration of FFA, that indicated quail eggs of brown strain were differed than white strain eggs in the Lipoproteins due to white plumage mutation.

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