(26'x12'x6') ponds for a period of six months. The stocking ratio was 7: 4: 4: 3, respectively
and the stocking density of each pond was 2508 fish/acre. Three of the six ponds served as
aerated ponds and other three as non-aerated ponds. Aeration was done with the help of
1/3 Hp vertical pump. Fish in each pond were fed with 20% protein diet@ 3% body weight.
The ponds were fertilized with cattle manure (@ 500 kg/acre) and chemical fertilizers@ 20 …