International Journal of Ecotoxicology and Ecobiology
Volume 4, Issue 4, December 2019, Pages: 88-92
Received: Oct. 28, 2019;
Accepted: Nov. 22, 2019;
Published: Dec. 2, 2019
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Odo Joel Inya, Department of Fisheries and Aquaculture University of Agriculture, Makurdi, Nigeria
Manyi Manasseh Msugh-Ter, Department of Zoology, University of Agriculture, Makurdi, Nigeria
Ebah Esther Eneyi, Department of Microbiology, University of Agriculture, Makurdi, Nigeria
This study was carried out to determine histopathological damages of liver and gills caused by acute concentrations of vestaline®(pendimethalin) herbicide on Clarias gariepinus using96-hour bioassay test. The toxicity was carried out using 180 healthy fish of mean weight 27.97±0.03g which were divided into six treatments with each treatment having ten fish and the setup was in triplicate. The concentrations of Vestaline®(pendimethalin) herbicide used were (0.0mg/l, 33mg/l, 82.5mg/l,115.5mg/l,148.5mg/l and 181.5mg/l). After the 96-hours, both gills and liver of the fish were removed from dead fish. Photomicrographs of the histological slides were taken.Histology of the liver in control sample showed normal hepatic tissue (Hepatocytes with granular cytoplasm) and round nucleus. Histology of the gills in control sample showed normal structure of the filaments and lamellae. The histology of the exposedliver Showed vacoulation of cytoplasm, rapture of hepatocytes, bile pigment disintegration, necrosis and cytoplasmic degeneration while the histology ofgills exposed to different concentrations of vestaline®(pendimethalin) herbicide showed marked distortion of the gills lamellae, hyperplasia of lamellar epithelium and necrosis. The acute concentrations confirmed that vestaline®(pendimethalin) herbicide is highly toxic to Clarias garienpinus and showed heightened damages at higher concentrations.
Odo Joel Inya,
Manyi Manasseh Msugh-Ter,
Ebah Esther Eneyi,
Effects of Acute Concentrations of Vestaline® (pendimethalin) Herbicide on Histopathology of Liver and Gills of Exposed Clarias gariepinus Juveniles, International Journal of Ecotoxicology and Ecobiology.
Vol. 4, No. 4,
2019, pp. 88-92.
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