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The current work aimed at conducting a comparative study the percentage of red and white muscles using Image J software and estimation of proteins and lipids in different regions from P. abu body, which belongs to the Mugilidea. The samples were collected between April and May- 2019 from the Karmat Ali river, north of Basra city in Iraq. The results showed a difference in the percentages of red and white muscles in the studied regions, which recorded 5.42%, 12.67%, 15.66%, 20.15%, 32.62%, 43.64% in R1, R2, R3, R4 R5 and R6 region, respectively, so the statistical results indicated significant differences (P<0.05) in the red muscle percentage in the studied regions. The results revealed a decrease in the percentage of white muscles from the region R1 (94.58%) to the region R6 (56.36%). These percentages recorded significant differences (P<0.05) in white muscle percentage in the studied regions. The protein content values were higher than the lipid content values of red and white muscle in the studied regions of the P. abu body. The protein values ranged from 15.90% to 17.56% while the lipid values were between 6.16 - 7.45% in the red muscle in the R1 region to R6 region, respectively. However, the protein values in white muscles were ranging from 22.13% to 20.43% and the lipid values from 1.16% to 2.33% in the R1 region to R6 region, respectively. The results pointed that the mean of caloric (energy) values for protein and lipid contents in red muscle was 67.54 and 60.67 kcal/g while it was 85.30 and 16.00 kcal/g in white muscle, respectively. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Basrah Researches (Sciences) is the property of Republic of Iraq Ministry of Higher Education & Scientific Research (MOHESR) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Basrah Researches (Sciences) is the property of Republic of Iraq Ministry of Higher Education & Scientific Research (MOHESR) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)