Author(s): Mudabir Ahmad Qurashi, Dr. Syed Mahboobul Hassan and Dr. Gowhar Ahmad Shah

Abstract: Haematological studies of Cyprinus carpio of Manasbal lake of Kashmir valley in the present study includes the erythrocyte count, haemoglobin concentration and haematocrit value or packed cell volume of blood and subsequently absolute values of M.C.V, M.C.H and M.C.H.C were also calculated by the respective formulae. The major effects of butachlor on blood parameters are concerned with total R.B.C count, their size and differential count of W.B.C .The significance of the present study is concerned with pesticide pollution of Manasbal lake and the effect of butachlor on the haematological profile of the exotic carp, Cyprinus carpio.