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Effect of water pollutants on the histology of alimentary canal of some aquatic insects

Md.Samia*, S.K.Guptab, Chandrama Singhc,  Ravindra Kr Sharmad,  & O.P. Singha
aDepartment of Zoology, B.R.A.B.U.,Muzaffarpur-842001(India)
bDept. of Zoology, M.J.K. College,Bettiah (West Champaran)-845 438
cDepartment of Zoology, K.C.T.C. College, Ruxaul,  B.R.A.B.U., Muzaffarpur-842001(India)
dPGT, DAV Public School, Muzaffarpur, Bihar, India.

Received  12th December, 2011; Revised  28th February, 2012

Abstract : Aquatic beetles Cybister confusus were collected from local pond and Kept in controlled condition and treated with DDT and Detergent. The insects were dissected  in normal saline . Gut tissue were fixed in Boin’s solution and section were prepared. The observation indicated different levels of histological changes on DDT and Detergent treatment. The changes were co- related with diet. Histological  changes were observed in Epithelial and muscular.

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