Experimental design
Feeding regime of 3% of Body.wt per day was employed
throughout the trial. The amount of feed was calculated and
readjusted weekly.The fish aquaria under experiment were
divided into 7 groups (G), stocked into 14 aquaria (dimensions,
40 · 50 · 100 cm) at a stocking rate of 14 fish per aquaria (60 L
water/aquaria,).