Items Diets No (On DM basis, %) SE*
D1, Control D2 D3 D4 D5
Initial weight, g/fish 18.57 18.24 18.67 18.35 18.55 1.25
Final body weight,  g/fish 47.52c 55.86ab 60.45a 53.54b 55.28ab 2.31
Average total gain1, g/fish 28.95c 37.62ab 41.78a 35.19b 36.73ab 1.54
Average daily gain2, g/fish/day 0.34c 0.45ab 0.50a 0.42b 0.44ab 0.01
Specific growth rate3  (SGR % /day) 1.12c 1.33b 1.39a 1.27bc 1.30b 0.30
Survival rate4,  % 97 97 100 97 100 3.12
Feed intake (FI), DM g/fish 55.76 56.98 57.24 58.50 57.36 2.41
Feed conversion ratio5 (FCR) 1.74a 1.37c 1.24d 1.50b 1.41c 0.31
Protein efficiency ratio6 (PER) 1.94d 2.47b 2.73a 2.26c 2.40b 0.45
Protein productive value7 (PPV, %) 13.10c 15.32b 17.87a 12.78 c 15.70b 1.14
*Means in the same rows having different superscript letters were significantly different at 0.05 levels
Table 3: Growth performance parameters of Nile tilapia (O. niloticus) fed on the experimental diets.
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