Table 5. Effect of dietary B. licheniformis-fermented product supplementation on the growth performance of broilers challenged with C. perfringens.
C1 | E2 | L3 | H4 | SEM | P value | |
---|---|---|---|---|---|---|
Body weight (g/bird) | ||||||
1 d | 46.335 | 46.47 | 46.90 | 46.60 | 0.10 | 0.373 |
21 d | 759.27a | 902.67c | 825.93b | 850.80b | 16.46 | <0.001 |
35 d | 1682.93a | 1870.67c | 1735.84ab | 1787.03bc | 22.44 | 0.003 |
Average daily gain (g/d/bird) | ||||||
1–21 d | 33.95a | 40.77c | 37.10b | 38.30b | 0.78 | <0.001 |
22–35 d | 65.98 | 69.14 | 64.99 | 66.87 | 0.70 | 0.258 |
1–35 d | 46.76a | 52.12c | 48.26ab | 49.73bc | 0.64 | 0.003 |
Average daily feed intake (g/d/bird) | ||||||
1–21 d | 52.38 | 52.83 | 49.21 | 51.24 | 0.78 | 0.427 |
22–35 d | 156.19 | 137.78 | 144.13 | 151.87 | 2.97 | 0.148 |
1–35 d | 93.90 | 86.81 | 87.17 | 91.49 | 1.39 | 0.255 |
Feed conversion ratio | ||||||
1–21 d | 1.54a | 1.30b | 1.33b | 1.34b | 0.03 | 0.005 |
22–35 d | 2.37 | 1.99 | 2.23 | 2.28 | 0.06 | 0.123 |
1–35 d | 2.01a | 1.67b | 1.81ab | 1.84ab | 0.04 | 0.034 |
C=Basal diet plus C. perfringens challenge.
E=Basal diet plus C. perfringens challenge and 0.5 g/kg enramycin from 1 to 21 d and 1.2 g/kg enramycin from 22 to 35 d, respectively.
L=Basal diet plus C. perfringens challenge and 1 g/kg B. licheniformis-fermented products.
H=Basal diet plus C. perfringens challenge and 2 g/kg B. licheniformis-fermented products.
Three replicates were performed per group (n=3).
Different letters indicate a statistically significant difference between groups (P<0.05).