Table 2.
Effects of Forsythia suspensa extract on growth performance of broilers.
| Item | CTL1 | CTC1 | FSE1 | SEM | P-value |
|---|---|---|---|---|---|
| Day 1 body weight, g | 46.92 | 46.32 | 46.70 | 0.33 | 0.47 |
| Days 1 to 21 | |||||
| ADG, g/D | 27.32 | 26.96 | 28.14 | 0.40 | 0.15 |
| ADFI, g/D | 36.99 | 36.42 | 38.60 | 0.91 | 0.25 |
| FCR | 1.35 | 1.35 | 1.37 | 0.03 | 0.90 |
| Days 21 to 42 | |||||
| ADG, g/D | 68.85b | 71.44b | 75.09a | 1.18 | <0.01 |
| ADFI, g/D | 105.87b | 105.05b | 115.85a | 2.08 | <0.01 |
| FCR | 1.54 | 1.47 | 1.55 | 0.03 | 0.23 |
| Days 1 to 42 | |||||
| ADG, g/D | 48.08b | 49.20b | 51.62a | 0.62 | 0.05 |
| ADFI, g/D | 71.43b | 70.73b | 77.22a | 0.86 | <0.01 |
| FCR | 1.49 | 1.44 | 1.50 | 0.02 | 0.07 |
a,bDifferent superscripts within a row indicate a significant difference (P < 0.05).
Abbreviation: FCR, feed conversion ratio.
1
CTL: control; CTC: chlortetracycline; FSE: Forsythia suspensa extract.