Table 1. Effects of Rhodiola on production performance of broiler chickens at high altitude.
1–14 d | 15–28 d | 29–42 d | 1–42 d | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Treatment1 | BW(d14), g | ADFI, g | FCR | BW(d28), g | ADFI, g | FCR | BW(d42), g | ADFI, g | FCR | Total FI, g | FCR |
CTL | 172.6 ± 7.5 | 19.9 ± 0.46a | 2.21 ± 0.08 | 514.5 ± 12.9a | 49.4 ± 1.2a | 2.03 ± 0.06 | 1347.3 ± 76.7a | 114.6 ± 7.7a | 1.93 ± 0.06 | 2574 ± 118a | 1.98 ± 0.03 |
Low-R | 173.0 ± 12.7 | 19.4 ± 0.44ab | 2.15 ± 0.17 | 553.2 ± 38.2a | 54.6 ± 4.3a | 2.01 ± 0.04 | 1368.5 ± 114.2a | 111.4 ± 13.9ab | 1.92 ± 0.06 | 2595 ± 178a | 1.96 ± 0.05 |
High-R | 160.7 ± 11.6 | 18.1 ± 0.75b | 2.21 ± 0.14 | 459.0 ± 53.6b | 44.1 ± 5.9b | 2.08 ± 0.06 | 1172.3 ± 144.8b | 98.5 ± 13.7b | 1.94 ± 0.03 | 2249 ± 249b | 2.00 ± 0.04 |
1CTL: basal diet; Low-R: CTL + 0.5% R.crenulata; High-R: CTL + 1.5% R.crenulata.
a, b Values with different superscripts within the same column are significantly different (p < 0.05).
BW, body weight; ADG, average daily gain; ADFI, average daily feed intake; FCR, feed conversion ratio; FI, feed intake.