Title: Effects of sumithion on histopathology of liver and kidney in silver barb, Barbonymus gonionotus
Abstract: Sumithion is an organophosphorous pesticide that has a negative impact on fish organsuch as liver and kidney. This study was conducted to assess the effects of sumithion onhistological changes in liver and kidney of silver barb (Barbonymus gonionitus). Four treatmentssuch as To (control), T1, T2 and T3, designated for 0.00, 0.025, 0.05 and 0.1 ppm of sumithionrespectively with two replications for each were designed. Histopathological alterations in liverand kidney were found after 7, 15 and 30 days of exposure to sumithion. Hypertrophy ofhepatocytes, mild to severe necrosis, ruptured central vein, necrosis, pyknosis, hemorrhage,irregular shaped nucleus, clear cell foci, nuclear degeneration and vacuolation were found in liverof fish exposed to 0.05 and 0.1 ppm sumithion for 15 and 30 days. Degeneration of kidneytubules, vacuolization, mild to severe necrosis, pyknosis, ruptured renal corpuscle, rupturedcollecting duct and hemorrhage were also recorded in kidney. At the earlier stage of theexperiment the cells of kidney and liver were compact but with the progress of the experimentalperiod and increasing doses the cells became degenerated and intracellular space was increased.Severe changes were found at 0.1 ppm after 30 days of exposure in case of liver and kidney. Thehistopathological changes observed in the tissues of liver and kidney indicates that sub lethalconcentrations of sumithion caused moderate to severe alterations in liver and kidney.
Publication Year: 2018
Publication Date: 2018-01-01
Language: en
Type: article
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Cited By Count: 1
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