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  • Title: Haematological responses to exposure to sublethal concentration of cadmium in air breathing fish, Channa punctatus (Bloch).
    Author: Karuppasamy R, Subathra S, Puvaneswari S.
    Journal: J Environ Biol; 2005 Jan; 26(1):123-8. PubMed ID: 16114472.
    Abstract:
    The effect of sublethal concentration (29 mg/l) of cadmium on haematological parameters of Channa punctatus after the exposure periods of 7, 15 and 30 days were studied. In treated groups of cadmium exposed fish have been found to significantly decreased in total erythrocyte count, haemoglobin content, packed cell volume, mean corpuscular haemoglobin concentration and oxygen carrying capacity of blood, and at the same time the white blood cell count, mean cell volume and mean corpuscular haemoglobin were found to significantly increased. Both increasing and decreasing of the above mentioned haematological characteristics of blood cells of cadmium intoxicant are mainly with time dependent effects. With regard to the pathological characteristics of blood cells of cadmium intoxicant fish shows fragility and rupture of erythrocytic membrane and leads to haemolysis, which are very severe on 30 day of exposure group.
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