Complete replacement of fish meal by unconventional proteins sources in diet of Oreochromis niloticus (L., 1758) fingerlings: growth performance, feed utilization and body composition

For a period of 42 days, a total replacement of the fish meal by a mixture of unconventional sources of proteins (Azolla filiculoides, Dialium guineense leaf, brewers' yeast and maggot) was carried out for the of Oreochromis niloticus fingerlings. Five experimental diets isoproteic (34.6 ± 0.5%) reference diet and four test diets (A1 to A4) were used to feed O. niloticus fingerlings of average weight. At the end, the final mean weight (FW) and the daily weight gain (DWG) in the test diets (13.66 to 14.84g) were lower than those obtained by reference diet (18.45g) with P