Sex reversed Nile tilapia (20.61 ± 0.15 g initial body weight and
10.45 ± 0.03 cm initial length) were obtained from Trang Agriculture
and Technology College, Trang province. The fish were acclimatized
for 10 days in fiberglass tanks (1 × 1 × 1 m) with 20 cm water level,
andwere fed twice daily to satiation with the UPKM diet.