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Egyptian Journal of Aquatic Biology and Fisheries
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El-Gaar et al., D. (2022). Biochemical alterations of Nile tilapia fish in El-Manzala Lake as an indicator of pollution impacts. Egyptian Journal of Aquatic Biology and Fisheries, 26(3), 711-723. doi: 10.21608/ejabf.2022.246093
Dalia M. El-Gaar et al.. "Biochemical alterations of Nile tilapia fish in El-Manzala Lake as an indicator of pollution impacts". Egyptian Journal of Aquatic Biology and Fisheries, 26, 3, 2022, 711-723. doi: 10.21608/ejabf.2022.246093
El-Gaar et al., D. (2022). 'Biochemical alterations of Nile tilapia fish in El-Manzala Lake as an indicator of pollution impacts', Egyptian Journal of Aquatic Biology and Fisheries, 26(3), pp. 711-723. doi: 10.21608/ejabf.2022.246093
El-Gaar et al., D. Biochemical alterations of Nile tilapia fish in El-Manzala Lake as an indicator of pollution impacts. Egyptian Journal of Aquatic Biology and Fisheries, 2022; 26(3): 711-723. doi: 10.21608/ejabf.2022.246093

Biochemical alterations of Nile tilapia fish in El-Manzala Lake as an indicator of pollution impacts

Article 41, Volume 26, Issue 3, May and June 2022, Page 711-723  XML PDF (427.83 K)
Document Type: Original Article
DOI: 10.21608/ejabf.2022.246093
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Author
Dalia M. El-Gaar et al.
Abstract
This work is concerned with studying the effect of various pollutants in Lake Manzala on fish quality by investigating the biochemical characteristics of Nile tilapia fish collected during the winter and summer seasons in 2020. The biochemical parameters of Nile tilapia fish were significantly different between the two seasons at all investigated stations. However, blood creatinine, urea, and uric acid showed the highest levels in fish collected from Bahr El-Baqer and El-Matariya during the study. Fish from polluted stations recorded an increase in serum cholesterol levels in the cold season, and triglycerides levels of O. niloticus showed remarkable variations. Alterations in the physiological blood parameters reflect changes in the organism's metabolic and biochemical factors as a result of the effects of various pollutants, and they allow researchers to evaluate the mechanisms of pollutants' impacts.
Keywords
Manzala Lake; O. niloticus; Creatinine; Urea and Uric acid
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