The present investigation was carried out in rectangular cement tank (9’ x 9’ x 3’) filled with 2500 liter water and stocked with 200, 400, 600 and 800 numbers of fingerlings designated as T1, T2, T3 and T4 respectively. A control without any fish was run simultaneously for comparison. Experiment was runwith three replication for a periods of 60 days. The nutrient ...