It was observed that, treatment (D) with 0.06 g probiotics obtained a mean final weight of 9.03 g,
treatment (C) with 0.04 g probiotics obtained 8.73 g, treatment (B) with 0.02 g probiotics obtained 8.96 g
and treatment (A) without probiotics obtained 8.03 g, respectively. The lowest final body weight 8.03 g was
achieved by the control, group of fish without probiotics applications. The highest growth was observed in
treatment (D) while the poorest was obtained in treatment (A). Statistical analysis showed that treatments with
different levels of probiotics application revealed that mean weight of O. mossambicus was significantly different
from each other