Table 1.
Effects of CBS on growth performance of broilers.
| Item | CON | ANT | CSB |
|---|---|---|---|
| BWG, g | |||
| D 1–21 | 552 ± 29.4 b | 573 ± 13.1 ab | 589 ± 42.8 a |
| D 22–42 | 1349 ± 111 b | 1468 ± 88.1 a | 1428 ± 119 ab |
| D 1–42 | 1902 ± 131 b | 2041 ± 84.5 a | 2017 ± 145 ab |
| FI, g | |||
| D 1–21 | 713 ± 19.5 | 700 ± 19.4 | 719 ± 40.2 |
| D 22–42 | 2177 ± 125 | 2214 ± 105 | 2215 ± 186 |
| D 1–42 | 2890 ± 142 | 2914 ± 103 | 2933 ± 215 |
| F/G | |||
| D 1–21 | 1.29 ± 0.0501 a | 1.22 ± 0.0256 b | 1.22 ± 0.0646 b |
| D 22–42 | 1.62 ± 0.0861 a | 1.51 ± 0.0503 b | 1.55 ± 0.0644 ab |
| D 1–42 | 1.52 ± 0.0615 a | 1.43 ± 0.0383 b | 1.46 ± 0.0436 b |
Abbreviations: D, day; BWG, body weight gain; FI, feed intake; F/G (FI/BWG), the ratio of feed intake to body weight gain; CON, the control diet; ANT, CON diet supplemented with antibiotics (enramycin, 8 mg/kg and aureomycin, 100 mg/kg); CSB, CON diet supplemented with 1000 mg/kg CSB. Values are expressed as the mean ± SE, n = 8; a,b mean values within a row with unlike superscript letters were significantly different (p < 0.05).