Abstract
Sumithion is an organophosphorus insecticide, which is widely used in aquaculture ponds for eradication of aquatic insect (mainly tiger bug) prior to release of larvae. This study was conducted to evaluate the effects of an organophosphorus pesticide, sumithion on histoarchitecture of liver and kidney in common carp (Cyprinus carpio) during the period from July to December 2016. It was carried out with four treatments, each with two replications. i.e., ponds with no sumithion (T0), with 0.025ppm sumithion (T1), 0.050 ppm sumithion (T2) and 0.100 ppm sumithion (T3). The water quality parameters, such as pH, dissolved oxygen, total alkalinity, free CO2, nitrate-nitrogen (NO3-N), phosphate-phosphorus (PO4-P) were not affected by sub lethal doses of sumithion but the values were fluctuated significantly in most of the cases between the ponds throughout the study period. In case of histoarchitecture of liver and kidney, normal structure of liver and kidney cells were observed in the controlled and treated fish. Through the histological analysis of liver, small vacuole, enlarge lumen space of hepatopancreas and disrupted hepatopancreas were found in T1. Disrupted hepatopancreas, increasement intracellular space, regeneration of hepatic cell and hemorrhage were observed in T2. Moreover, enlarge lumen space of hepatopancreas, degenerated hepatic cell, disrupted hepatopancreas were observed in T3. After the histological analysis of kidney, degenerated renal corpuscle, enlargement of blood vessel, disrupted hematopoetic cell were observed in T1. Ruptured collecting duct, large vacuole, enlarge intracellular space were observed in T2. Furthermore, enlarge bowman’s space, degenerated hematopoetic cell hemorrhage and ruptured distal tubule disrupted, enlarge intracellular space and necrosis were observed in T3. The present investigation sufficiently emphasizes that sumithion has adverse effects on the major organs like liver and kidney.
 Int. J. Agril. Res. Innov. Tech. 10(2): 66-75, December 2020
Highlights
Bangladesh is exclusively endowed with the diversity of very rich fresh and marine water fisheries resources comprising 260 indigenous species, 24 freshwater prawns, 475 marine fish species, 36 marine and brackish water shrimps and 16 exotic species (DoF, 2013)
Kidney tissue of Cyprinus carpio exposed to 0.025 ppm sumithion under the treatment T1 showed degenerated renal corpuscle on 7 days of exposure (Fig. 1B)
Ruptured collecting duct was found at the dosage of 0.050 ppm belong to T2 treatment (Fig. 1C) and degenerated hematopoietic cell, enlarge blood vessel were observed at the dosage of 0.100 ppm (Fig. 1D) on 7 days of exposure
Summary
Bangladesh is exclusively endowed with the diversity of very rich fresh and marine water fisheries resources comprising 260 indigenous species, 24 freshwater prawns, 475 marine fish species, 36 marine and brackish water shrimps and 16 exotic species (DoF, 2013). Fisheries contribute about 63% of animal protein in the daily diet of people of Bangladesh, 6% to the GNP and 11-14% of export earnings of the country species (DoF, 2014). Among the indigenous fish species, 12 have been categorized as critically endangered, 28 as endangered and 14 as vulnerable (IUCN Bangladesh, 2003). One of the major causes of this situation is the indiscriminate use of various insecticides and pesticides in the agricultural sectors. Pesticides at high concentrations are known to International Journal of Agricultural Research Innovation & Technology An open access article under
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