TABLE 3.
Effect of commercial immunostimulants on growth performance of Nile tilapia, O. niloticus for 8 weeks.
| Items | Control | Yeast Plus® | Sanolife PRO-F® | Biotronic® Top3 | Digestarom® |
| Initial average weight (g) | 101.33 ± 2.02 | 100.00 ± 2.88 | 101.00 ± 2.08 | 101.66 ± 4.40 | 100.00 ± 2.88 |
| Final average weight (g) | 224.66d ± 1.20 | 246.00b ± 2.64 | 271.66a ± 1.76 | 236.66c ± 2.33 | 234.66c ± 2.60 |
| Individual weight gain | 123.33d ± 2.18 | 146.00b ± 0.57 | 170.66a ± 0.33 | 135.00 c ± 4.58 | 134.66c ± 2.60 |
| Specific growth rate (%/day) | 1.42c ± 0.03 | 1.60b ± 0.03 | 1.76a ± 0.02 | 1.51bc ± 0.07 | 1.52bc ± 0.04 |
| Total feed intake (g feed pond–1) | 223.33b ± 3.33 | 237.66ab ± 7.66 | 248.66a ± 1.33 | 236.66ab ± 3.75 | 245.66a ± 2.96 |
| Feed conversion ratio | 1.42a ± 0.05 | 1.20b ± 0.02 | 1.02c ± 0.03 | 1.34a ± 0.05 | 1.38a ± 0.05 |
| Fish survival (%) | 91.55 ± 1.97 | 94.44 ± 2.93 | 96.66 ± 1.67 | 92.66 ± 1.01 | 93.11 ± 0.58 |
Data represented as means ± SE (n = 30). Within rows, means with different superscripts a, b, c, and d indicating that their corresponding means are significantly different at P < 0.05.