Table 2.
Effects of combined plant essential oils on growth performances of AA broiler chickens.
| Growth phase | Items | CON | POC | AGP | SEM | P-value |
|---|---|---|---|---|---|---|
| Starter phase | FI, g/bird | 1,161 | 1,121 | 1,162 | 17.98 | 0.223 |
| BWG, g/bird | 904 | 890 | 920 | 22.13 | 0.081 | |
| FCR | 1.28 | 1.26 | 1.26 | 0.04 | 0.565 | |
| Mortality + culling rate% | 0.83 | 0.42 | 2.08 | 1.23 | 0.187 | |
| Grower and finisher phases | FI, g/bird | 2,963 | 2,646 | 3,004 | 171.21 | 0.154 |
| BWG, g/bird | 1,595 | 1,531 | 1,550 | 124.64 | 0.662 | |
| FCR | 1.65 | 1.60 | 1.76 | 0.11 | 0.434 | |
| Mortality + culling rate % | 7.54 | 5.89 | 5.09 | 3.12 | 0.575 | |
| Whole phase | FI, g/bird | 4,270 | 3,897 | 4,289 | 201.24 | 0.147 |
| BWG, g/bird | 2,486 | 2,388 | 2,465 | 114.27 | 0.389 | |
| FCR | 1.51 | 1.47 | 1.57 | 0.08 | 0.487 | |
| Mortality + culled rate % | 8.33 | 6.25 | 7.08 | 4.21 | 0.699 | |
| European index | 388.5 | 391.9 | 375.9 | 42.53 | 0.796 |
Abbreviations: AGP, the Aureomycin supplementation treatment; BWG, BW gain; CON, the control treatment; FCR, feed conversion ratio; FI, feed intake; POC, the combined plant essential oils treatment.