Table 2.
Least squares means and SD for production results of broiler chickens∗.
| Indicators | Group |
||
|---|---|---|---|
| 1, Control | 2, Halloysite | 3, Zeolite | |
| Body weight of one-day-old chicks (g) | 44.5 ± 3.1 | 44.9 ± 3.3 | 46.0 ± 4.3 |
| Body weight (g) | |||
| Day 14 | 466.6 ± 41.1 | 479.9 ± 50.2 | 483.7 ± 42.8 |
| Day 28 | 1,567 ± 207 | 1,558 ± 199 | 1,614 ± 182 |
| Day 42 | 2,899 ± 421 | 2,802 ± 447 | 3,003 ± 490 |
| Growth rate index (%) | |||
| Day 14 | 165 ± 3.5 | 165 ± 4.3 | 165 ± 3.7 |
| Day 28 | 107 ± 14.9 | 105 ± 13.1 | 107 ± 9.2 |
| Day 42 | 61.0 ± 26.1 | 56.0 ± 18.9 | 58.0 ± 27.2 |
| FI (kg) | |||
| FI (kg) | 5.36 ± 0.68 | 5.39 ± 0.42 | 5.48 ± 0.24 |
| FCR (kg/kg) | 1.85 ± 0.34 | 1.92 ± 0.27 | 1.82 ± 0.21 |
| European production efficiency factor | 358.00 | 327.00 | 373.00 |
Abbreviations: FCR, feed conversion ratio; FI, feed intake.
∗
No statistically significant difference; P > 0.05.