Author(s): MS Juginu, S BinuKumari and M Mohan Kumar

Abstract: Haematological parameters have been recognized as a valuable tool for monitoring fish health. In the present study the haematological profile of fresh water fish, Labeo rohita was studied. Fishes were exposed to sublethal concentration of plywood effluent decided after LC₅₀ determination for a period of 24, 48, 72 and 96 hrs. In haematological profile, selected blood parameter’s effect is seen on RBC count, WBC count, Hb, and PCV as well as on Mean Corpuscular Volume (MCV), Mean Corpuscular Haemoglobin (MCH) and Mean Corpuscular Haemoglobin Concentration (MCHC). The plywood effluent significantly decreases the value of RBCs, Hb, PCV, MCH, MCV, MCHC, whereas WBC count increases with plywood effluent treatment and at different time of exposure. It was concluded that the plywood effluent caused haemotoxicity in fish.

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