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Cadmium Accumulation in Tissues of Sarotherodon melanotheron (Rüppel, 1852) from the Aby Lagoon System in Côte d’Ivoire

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Author(s): Yapi Dope Armel Cyrille | Kouame Victor | Tidou Abiba Sanogo | Sawadogo Boukary | Wethe Joseph

Journal: International Journal of Environmental Research and Public Health
ISSN 1660-4601

Volume: 9;
Issue: 3;
Start page: 821;
Date: 2012;
Original page

Keywords: cadmium | Aby Lagoon | accumulation | Sarotherodon melanotheron

ABSTRACT
This study assessed the concentrations of cadmium in the gills, livers and muscles of a commercially important tilapia fish (Sarotherodon melanotheron) from Aby Lagoon in Adiaké, Côte d’Ivoire, between January and December, 2010. The organisms were grouped into two composite samples (juvenile and adult) of five individuals. Levels of cadmium were determined in tissues using Perkin-Elmer (AAnalyst 200) Atomic Absorption Spectrophotometry (AAS) after a digestion method. Fish muscle appeared to have a significantly higher tendency to accumulate cadmium (1.19–5.18 µg/g dw) while gills and livers had minimum concentrations (0.07–1.32 and 0.12–1.25 µg/g dw). This study has revealed that the concentrations of Cd in Sarotherodon melanotheron muscle tissue were above the maximum acceptable concentrations for human consumption, thus precautions need to be taken in order to prevent future contamination.
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