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Toxicity and behaviour under Mardo intoxication in a fresh water teleost, Mystus vittatus (Bloch)

Sudama Kumara*, Md. Abul Fataha, Surabhi Salonia & Lakshman Sahb
aDepartment of Zoology, M.G. College, Bodh-Gaya, Bihar, India
bDepartment of Zoology, R.K.D College Patna, Patliputra University, Patna, Bihar, India
Received : 20th January, 2021 ; Revised : 20th February, 2021

AbstractStudies on the effect of Mardo (organophosphate pesticide Profenofos, Mol, Wt. 373.6, Molecular formula C11H15 Br Cr03 PS, obtained from Crop Health products Ltd, Ghaziabad U.P. India) on changes in behavioural of fresh water Teleostean fish, Mystus vittatus (Bloch) on the basis of interpolation of the data, the LC0 and LC100Values of Mardo were calculated to be 0.13 mg/l and 0.65 mg/l respectively. Calculated LC50Values has been observed to be 0.490, 0.420, 0.330 and 0.270 mg/l at 24 hours, 48 hrs, 72 hrs, and 96 hrs exposure respectively. The treatment of sub lethal dosages (0.16,0.24, 0.32, 0.40, 0.48 and 0.56 mg/l) of Mardo for 24 hrs, 48 hrs, 72 hr and 96 hrs exposure respectively shows statistically significant decrease in most of the above noted in dices as compared to control. The reason for such changes has been discussed in this research paper.

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