Histological Assessment of Clarias Gariepinus’ Liver and Kidney: An Ecotoxicological Evaluation of Commercial Fish Farm in Ogbogoro, Rivers State Nigeria
Journal Title: Scholars Journal of Applied Medical Sciences - Year 2018, Vol 6, Issue 1
Abstract
This study examined the ecotoxicological evaluation of commercial fish pond in Ogbogoro, Port Harcourt, Rivers State Nigeria using the histological assessment of Clarias gariepenus, using African Aquaculture Centre (ARAC) as a reference site. The sampling involved harvesting of twenty table sized fish from Ogbogoro commercial fish pond and ten table-sized of the same species from ARAC. The histological assessment involved the determination of the qualitative and semi-quantitative analysis of the Liver and kidney of the harvested fishes. Histological alterations observed were based on circulatory disturbances (CD) which includes hyperemia, haemorrhage, vacuolation. Regressive change (RC) which includes necrosis and progressive change (PC). Results showed that tissue samples of liver and kidney showed an almost equal prevalence in histological alterations in OGB as compared to ARAC, with the liver 20% for both sites and kidney 19.99% against 20%. The Histological Alteration Index, that is, mean fish Index (FI) for OGB is 14.7, making it slightly greater than ARAC, 14.6. It was concluded therefore that the OGB fish pond was slightly polluted.
Authors and Affiliations
Paul, Chikwuogwo Wokpeogu, Allison, Theodore Athanasius
Keywords
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