Table 2.
Effect of dietary treatments on growth performance of broilers.
| Treatments1 |
P-value |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Item | NC | PC | V500 | V1,000 | V1,500 | SEM5 | ANOVA | Linear | Quadratic |
| 1-10 d | |||||||||
| FI2 g | 258 | 259 | 258 | 261 | 263 | 2.43 | 0.977 | 0.088 | 0.271 |
| BWG3, g | 211 | 214 | 213 | 215 | 214 | 1.86 | 0.990 | 0.174 | 0.323 |
| FCR4 | 1.22 | 1.21 | 1.21 | 1.22 | 1.23 | 0.01 | 0.311 | 0.425 | 0.506 |
| 1-21 d | |||||||||
| FI, g | 1,205 | 1,188 | 1,201 | 1,199 | 1,192 | 5.28 | 0.854 | 0.130 | 0.154 |
| BWG, g | 911 | 910 | 918 | 923 | 911 | 3.66 | 0.759 | 0.885 | 0.322 |
| FCR | 1.32 | 1.31 | 1.31 | 1.29 | 1.31 | 0.01 | 0.294 | 0.264 | 0.181 |
| 1-33 d | |||||||||
| FI, g | 3,119 | 3,059 | 3,079 | 3,084 | 3,076 | 10.98 | 0.536 | 0.194 | 0.372 |
| BWG, g | 2,190 | 2,199 | 2,195 | 2,197 | 2,197 | 8.04 | 0.997 | 0.080 | 0.238 |
| FCR | 1.42a | 1.39 | 1.40 | 1.40 | 1.40 | 0.01 | 0.048 | 0.140 | 0.340 |
| 1-42 d | |||||||||
| FI, g | 4,734 | 4,701 | 4,750 | 4,733 | 4,721 | 17.17 | 0.922 | 0.392 | 0.406 |
| BWG, g | 3,128 | 3,164 | 3,187 | 3,181 | 3,168 | 11.89 | 0.558 | 0.452 | 0.277 |
| FCR | 1.51a | 1.49 | 1.49 | 1.49 | 1.49 | 0.01 | <0.001 | 0.220 | 0.149 |
1
NC – Control diet, without antimicrobials; PC – Control diet, added 0.12 g/ton of Enramycin (8%); V500 – Control diet, added 500 g/ton of Viligen; V1,000 – Control diet, added 1,000 g/ton of Viligen; V1,500 – Control diet, added 1,500 g/ton of Viligen.
2
FI = Feed intake.
3
BWG = Body weight gain.
4
FCR = Feed conversion ratio.
5
SEM = Standard error of the mean.
a
Differs from the positive control (PC) treatment by Dunnett's test (P < 0.05).