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Journal of Applied Sciences and Environmental Management
World Bank assisted National Agricultural Research Project (NARP) - University of Port Harcourt
ISSN: 1119-8362
Vol. 22, No. 8, 2018, pp. 1159-1165
Bioline Code: ja18196
Full paper language: English
Document type: Research Article
Document available free of charge

Journal of Applied Sciences and Environmental Management, Vol. 22, No. 8, 2018, pp. 1159-1165

 en Determination of Some Heavy Metal Content in Tilapia and Cat Fish Species in Lake Njuwa, Adamawa State, Nigeria


concentration (mg/kg) of Lead (Pb), Chromium (Cr), Copper (Cu), Nickel (Ni) and Cadmium (Cd) were measured in various organs (such as gills, bones and muscles) of Tilapia and Catfish collected from Lake Njuwa Adamawa state during dry season (February, 2017) and wet season (August, 2017). The results obtained were compared to permissible limits set by World Health Organization, WHO (1985), Food and Agricultural organization, FOA (2003), to ascertain its health implications. Comparison between the heavy metals concentration of dry and wet season were carried out using Mann Whitney u test, the relationship between the heavy metal concentration and the weight of the fish was carried out using Pearson correlation test. All the analysis were determined at significant level of p>0.05 using Microsoft excel 2010 and statistical package for social science (SPSS) 2.3. The results obtained shows that the heavy metals are more concentrated in the bones (2.30, 2.50, 1.37, and 1.40) than the gills (2.17, 2.20, 1.19 and 1.23) and the muscles (0.5, 0.7, 0.99 and 1.03) of both the Tilapia and Catfish during the wet season than the dry season.

Heavy metal; Tilapia fish; Catfish; Lake; dry season; wet season

© Copyright 2018 - Ibrahim et al.

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