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Haematological and Hepatic Responses of the African Catfish Clarias gariepinus to Sublethal Exposure of Industrial Effluents from ologe Lagoon Environs,Lagos,Nigeria

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Journal of Food Science and Engineering 2018年第5期8卷 198-209页

作者： Akintade o.Adeboyejo edwin o.clarke Ayofe M.Hammed Roseline o.Adaramoye Department of Fisheries Faculty of ScienceLagos State UniversityOjo-LagosNigeria

The present study is on the haematological and hepatic responses of the African catfish fingerlings Clarias gariepinus to sublethal toxicity of industrial effluents(IE)from the environment of ologe Lagoon,Lagos,*** fish were cultured in five concentrations of industrial effluents:0%(control),5%,15%,25%,and 35%.Trials were carried out in triplicates for twelve(12)*** culture system was a static renewable bioassay and was carried out in the fisheries laboratory of the Lagos State University,*** physico-chemical parameters:Temperature(°C),pH,conductivity(ppm)and dissolved oxygen(Do in mg/L)were measured in each treatment *** parameters:packed cell volume(PCV),red blood cells(RBC),white blood cell(WBC),neutrophil and lymphocytes etc.,and hepatological alterations were measured after 12 *** physico-chemical parameters showed that the pH ranged from 7.82±0.25~8.07±*** ranged from 1.92±0.66~4.43±1.24 mg/*** conductivity values increased with increase in concentration of *** the temperature difference remained insignificant with mean value range between 26.08±2.14~26.38±*** Do showed significant differences at pological results showed that *** had PCV ranging from 13.0±1.7~27.7±0.6,RBC ranged from 4.7±0.6~9.1±0.1,and neutrophil ranged from 26.7±4.6~61.0±1.0 amongst *** highest values of these parameters were obtained in the control and lowest at 35%.While the reverse effects were observed for WBC and lymphocytes,the liver shows normal liver cells in the control(0%),but at higher toxic levels,there were:vacoulation,destruction of the hepatic parenchyma,tissue becoming eosinophilic(*** towards Carcinogenicity)and severe disruption of the hepatic cord *** study therefore shows that disposal of effluents into the aquatic environment affects the health of fishes by impairing normal hepatic functions and hindering v

关键词： Haematology hepatology sublethal toxicity industrial effluents Clarias gariepinus ologe Lagoon

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