TABLE 2.
Effects of dietary energy levels on growth performance of yak.
| Parameters | Treatment groups |
SEM | P-value | ||
| YL | YM | YH | |||
| Initial BW (kg) | 276.0 | 277.0 | 275.2 | 2.55 | 0.78 |
| Final BW (kg) | 313.4b | 330.0a | 326.8a | 4.35 | 0.037 |
| Average daily gain (kg/d) | 0.63 b | 0.88a | 0.86a | 0.034 | <0.001 |
| Average daily feed intake (ADFI) (kg/d) | 8.12a | 7.96 | 7.78b | 0.05 | 0.01 |
| Feed efficiency | 0.076a | 0.11b | 0.11b | 0.01 | <0.001 |
YL, low energy; YM, medium energy; YH, high energy; SEM, standard error of the mean. Values are presented as mean ± SEM. Means in a row with different small letter superscripts differ significantly (P < 0.05); those with the same letter superscripts present no difference (P > 0.05).