Table 1.
Effects of Bacillus subtilis DSM 32315 addition on growth performance in broiler chickens (n = 10). ABW, average body weight; ADG, average daily gain; ADFI, average daily feed intake; FCR, feed conversion ratio. a,bDifferent letters within rows indicate differences between treatment groups (P < 0.05).
| Control | B. subtilis | P-value | ||
|---|---|---|---|---|
| 28 d | ABW (g) | 1430 ± 38b | 1469 ± 38a | 0.033 |
| 42 d | ABW (g) | 2670 ± 97b | 2774 ± 89a | 0.022 |
| Grower 1−28 d | ADG (g) | 49.2 ± 1.3b | 50.6 ± 1.4a | 0.028 |
| ADFI (g) | 67.5 ± 1.9 | 68.9 ± 2.1 | 0.135 | |
| FCR | 1.37 ± 0.04 | 1.36 ± 0.02 | 0.381 | |
| Overall 1−42 d | ADG (g) | 60.4 ± 2.5b | 62.7 ± 2.3a | 0.041 |
| ADFI (g) | 89.9 ± 2.7b | 93.1 ± 2.8a | 0.017 | |
| FCR | 1.49 ± 0.04 | 1.49 ± 0.02 | 0.740 |