Agricultural and Biological Sciences Journal
Articles Information
Agricultural and Biological Sciences Journal, Vol.1, No.5, Oct. 2015, Pub. Date: Jul. 28, 2015
Bioaccumulation and Histopathological Alterations of Heavy Metals in the Liver and Kidney of Oreochromis niloticus Fish Collected from the Blue Nile
Pages: 224-228 Views: 2782 Downloads: 1358
[01] Haram Hassan Abass Bakhiet, Department of Fisheries and Wildlife Science, College of Animal Production Science and Technology, Sudan University of Science and Technology, Khartoum North, Sudan.
The study was conducted to investigate the occurrence and bioaccumulation of some heavy metals and histological structures of the liver and kidney of Oreochromis niloticus obtained from the blue Nile namely Suba area, Khartoum during summer 2013 and winter 2014. There are two plants for municipal waste water treatment in Khartoum. Those treatments plants are located at Suba (south of Khartoum) and Elhaj Yousif- (east of Khartoum North). The treated sewage effluent is used in irrigation of trees and other fodder cultivations. This is the situation as planned for but in certain situations like rainy seasons the sewage effluents find an access to the river water. Copper, Chromium, lead, cadmium and iron concentrations were recorded in water and tissues of Oreochromis niloticus from the Blue Nile River. Histopathological alterations in fish tissues were also studied. The concentration of: Copper, Chromium, lead, and iron were highest in liver and lowest in kidney tissue, while cadmium (Cd) concentrations were highest in kidney, lowest in liver tissue. Several histopathological changes were noted in liver and kidney attributable to heavy metals exposure.
Lead, Cadmium, Oreochromis Niloticus, Histopathology
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