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| Items | Control | Antibiotic | Synbiotic | SEM* |
|---|---|---|---|---|
| Average daily gain (g/day) | 68.0 | 67.2 | 70.4 | 0.7 |
| Average daily feed intake (g/day) | 134a | 126b | 133a | 2 |
| Feed conversion ratio (g:g) | 1.97a | 1.88b | 1.89b | 0.02 |
Means within a row with different superscripts are different at P<0.05.
SEM, standard error of the mean (n=6).
