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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/11119

Title: The use of carp fish for improving the quality of circulating sewage water.
Authors: Al-Asgah, N.A
A.; Al-Ohaly, F.A
Al-Samil, A
Bedawi, R.M.
Issue Date: 1986
Publisher: Proc. Saudi Biol. Soc.
Citation: 9:261-268.
Abstract: The possibility of using the carp fish (Cyprinus carpio L.) for improving the quality of sewage water was investigated in terms of fish survival, growth and quality and water chemistery. Over 90 % fish mortality occurred in less than fourty eight hours when the fish were directly introduced into the water, but 84 % survived with aration and 77.3 % without aeration were achieved when the sewage water was circulated at 1 L. min-1 ten days prior to the introduction of fish and for the next thirty days. Moreover, the Biological Oxygen Demand (B. O. D.), Chemical Oxygen Deman (C. O. D.), and ammoniacal nitrogen of the sewage water were all reduced. The dissolved oxygen remained constant with aeration, but fluctuated in the non-aerated tanks. Carp growth insignificantly improved with aeration, but its quality judged from amino acid analysis was somewhat reduced.
URI: http://hdl.handle.net/123456789/11119
Appears in Collections:College of Science

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