• Nutan Kamble

Pollutants like pesticides, heavy metals, detergents and effluents from various industries, agricultural fields, households etc induce alterations in the water quality when discharged untreated and indiscriminately. This causes changes in the behavior, physiology and biochemistry of aquatic inhabitants. Among these inhabitants fishes are of main concern because of their ecological and economic importance. Among all these pollutants pesticide pollution is a matter of global concern and largely of developing countries. Pesticides like cypermethrin are pyrethroids derivatives found in many commercial products including the insecticides used at households, pet sprays and shampoos. Some pyrethroids are also used in lice treatments applied directly on head and in mosquito repellents which can be applied on clothes. Hence such pyrethroids can be found abundantly in the aquatic environment. The current investigation aims at toxicity studies of Cypermethrin for which a common gold fish Carassius auratus is chosen as animal model. Carassius auratus weighing 20 Gms were purchased from the local vendor and acclimatized to laboratory conditions for 7 days prior to the experimental work. Dose lower than the LC50 value was used for the treatment. Three sets each containing 7 fishes were exposed to a fixed dose for 3 different durations, control set was maintained individually. Fishes from the aquaria were removed subsequently and dissected to procure tissues such as gills and muscles which were then washed clean with saline and used for biochemical study such as proteins, carbohydrates and histopathology. Changes in behavioral pattern were also observed during the study. Levels of tissue carbohydrates and proteins showed significant increase after 21 days of treatment over the values obtained after 7 and 14 days of treatment. Histopathological studies indicated necrotic changes in gill tissues and shortening of fibers in muscle tissues. Swimming pattern, schooling behavior seems to have altered in treated fishes when compared with the control group.

Cypermethrin, pyrethroid, Carassius auratus.

" IMPACT OF CYPERMETHRIN TOXICITY ON FUNDAMENTAL ASPECTS OF CARASSIUS AURATUS. ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 5, page no.1-4, May-2019, Available :http://www.jetir.org/papers/JETIRCB06001.pdf

" IMPACT OF CYPERMETHRIN TOXICITY ON FUNDAMENTAL ASPECTS OF CARASSIUS AURATUS. ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 5, page no. pp1-4, May-2019, Available at : http://www.jetir.org/papers/JETIRCB06001.pdf