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All Journal Indian Journal of Forensic Medicine & Toxicology
Ch.Prasanna1 , Ch.Anithasmruthi2 , V.Venkatarathnamma3
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Journal : Indian Journal of Forensic Medicine

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A Study on Oxygen Consumption in Freshwater Fish Labeo Rohita Exposed to Lethal and Sub Lethal Concentrations of Ethion 50%Ec Ch.Prasanna1 , Ch.Anithasmruthi2 , V.Venkatarathnamma3
Indian Journal of Forensic Medicine & Toxicology Vol. 14 No. 4 (2020): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v14i4.11454

Abstract

The pesticide pollution different classes like organochlorines, organophosphates, carbamates and other newgeneration ones affect the fish oxygen consumption in sublethal concentrations. Respiratory responses tolethal concentrations increase the ventilation volume and symptoms of pesticide intoxication suggestingthat the effect on respiratory surface were high in fish. Hence, in the present study an attempt has beenmade to study the effect of lethal(1.2µg/l) and sub-lethal 1/10(0.12µg/l) LC50 and 96hrs of 50% mortalityconcentrations of Ethion 50% EC an Organophosphate effect on oxygen consumption for 24 h at each 2hours interval to the Indian major carp, Labeo rohita (Hamilton). Oxygen consumption of aquatic animals isa very sensitive physiological process and therefore, alteration in the respiratory activity is considered as anindicator of stress of animals exposed to pesticides. The significant drop in the rate of oxygen consumptionwas observed in the present study in lethal and sub-lethal concentrations.
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