EFFECT OF ACTIVITY LEVEL ON TOTAL ERYTHROCYTES COUNT IN CHANNA GACHUA & LABEO ROHITA - A COMPARATIVE STUDY FROM NANDED DISTRICTD.V. Pampatwar, N.E. Ambore and M.S. Kadam
Experimental studies were made on fresh water fishes such as Channa gachua and Labeo rohito following haematological work on RBC total count and values obtained for total RBC count were compared with those of normal with respect to increasing weight of fish body. The results obtained from the experimental work were highly_sensitive and significant. At initial stage of maturity total RBC count was low but with increasing growth RBC count increased sharply. Then it was gradually decreased and finally followed by increase in total RBC count with respect to increasing weight of the fish. The pattern of variations into RBC count was also followed by Labeo rohita with respect to increasing body weight of the fish. Total RBC count was much higher at initial stage of experimental set of fishes. It showed that there was slight increase in total RBC count with respect to increasing weight of the body. The slight increase in total RBC count followed by sudden fall in total erythrocyte count in medium size (weight) fish. Again there was significant increase in total RBC count with increasing weight of the fish body. The fish Channa gachua is sluggish one even though the total erythrocytes count was higher than Lobeo rohita this might appear to be an adaptation due to air breathing habit which enables them to absorb sufficient amount of oxygen from engulfed air.The Labeo rohita showed fast activity during their acclimatized habitat. In spite of their low RBC count, it showed activeness might be due to their fresh aquatic environment, because of their higher activities in water they require comparatively more oxygen for energy production. The total RBC count in Channa gachua was low at initial stage of maturity but in case of Lobeo rohita the total RBC count was comparatively high at this stage, secondly in Channa gachua it can be compared slight gradual decrease in total erythrocytes count in medium sized (weight) fish but in Labeo rohita decrease was sudden and sharp. This might be the adaptive capacity of Chorine gachua by which they can save the rate of destruction of RBC. Finally both fishes showed gradual increase in total RBC count with respect to increasing body weight.
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