Health risk assessment of heavy metals in earthen pond raised African catfish (Clarias gariepinus) in Lagos State, Nigeria

A.M. Akinsorotan, J.O. Jimoh, B.P. Omobepade, I.C. Adene and J.B. Olasunkanmi

International Journal of Innovation and Sustainable Development, 2022, vol. 16, issue 1, 49-60

Abstract: Health risks of heavy metals in earthen pond raised African catfish were assessed in Lagos State, Nigeria. The indices were determined using atomic absorption spectrometer, health quotient (HQ), health risk index, and total health quotient. Results indicated that most concentrations of the heavy metals detected in catfish in the study areas were within acceptable limits except for Fe and Mn. HQ estimated for all the heavy metals were equally below 1 for all the age categories. The HQ estimated for children in Alimosho was the highest among the population while the least HQ was recorded for adults and teenagers in Badagry respectively. The highest total health quotient was recorded among children in Ibeju-Lekki while the lowest was estimated for adults in Alimosho. This implies that the cumulative effect of all the metals in catfish raised in Lagos, Nigeria cannot create any carcinogenic risk in humans.

Keywords: African catfish; heavy metal; health quotient; health risk index; Lagos; Nigeria. (search for similar items in EconPapers)
Date: 2022
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