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Egyptian Journal of Aquatic Biology and Fisheries
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Saeed, S. (2013). Impact of environmental parameters on fish condition and quality in Lake Edku,Egypt. Egyptian Journal of Aquatic Biology and Fisheries, 17(1), 101-112. doi: 10.21608/ejabf.2013.2160
Samir Saeed. "Impact of environmental parameters on fish condition and quality in Lake Edku,Egypt". Egyptian Journal of Aquatic Biology and Fisheries, 17, 1, 2013, 101-112. doi: 10.21608/ejabf.2013.2160
Saeed, S. (2013). 'Impact of environmental parameters on fish condition and quality in Lake Edku,Egypt', Egyptian Journal of Aquatic Biology and Fisheries, 17(1), pp. 101-112. doi: 10.21608/ejabf.2013.2160
Saeed, S. Impact of environmental parameters on fish condition and quality in Lake Edku,Egypt. Egyptian Journal of Aquatic Biology and Fisheries, 2013; 17(1): 101-112. doi: 10.21608/ejabf.2013.2160

Impact of environmental parameters on fish condition and quality in Lake Edku,Egypt

Article 9, Volume 17, Issue 1, January 2013, Page 101-112  XML PDF (213 K)
Document Type: Original Article
DOI: 10.21608/ejabf.2013.2160
Author
Samir Saeed
Central Lab. for Aquaculture Research, Agricultural Research Center. Limnology dept., Egypt.
Abstract
This study was carried out between May 2011 and February 2012 in order to
determine the effect of environmental parameters on physical and chemical quality of
water, fish condition as well as fish quality in Lake Edku. Fish condition; lengthweight
relation, condition factor and hepatosomatic index of three cichlid species (O.
niloticus, O. aureus and T. zillii) were studied. Also, fish quality as heavy metals
accumulation and proximate body composition for muscle tissue of these species were
estimated. Physico-chemical parameters were in normal ranges for fish culture and
revealed that the lake water showed differences among different seasons.
Concentrations of metals in fish muscles have been changed seasonally with higher
values recorded during autumn and winter. However, these concentrations are still in
the safety permissible levels for human consumption. The best condition and
proximate body composition of fish were recorded in spring and winter seasons.
According to the results of this study, the most important environmental parameters
affecting water characteristics, fish condition and quality in Lake Edku were water
temperature, nutrients and drainage water discharged into the lake.
Keywords
Lake Edku; environmental parameters; fish condition and quality; Heavy metals
Main Subjects
Fisheries
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