Table 3.
Effect of Clostridium butyricum on growth performance, feed efficiency, and average daily gain in heifers.
| Items | Treatment a | SEMb | P -value | |||
|---|---|---|---|---|---|---|
| CON | CB | Treat | Time | Treat × Time | ||
| Body weight, kg | 231.41 | 233.93 | 1.064 | 0.048 | <0.0001 | 0.0001 |
| Dry matter intake, kg/d | 6.76 | 7.12 | 0.0483 | <0.0001 | <0.0001 | 0.66 |
| Average daily gain(d 0−21), kg | 1.07 | 1.09 | 0.101 | 0.87 | – | – |
| Average daily gain(d 21−42), kg | 1.14 | 1.22 | 0.0125 | 0.0003 | – | – |
| Average daily gain(d 0−42), kg | 1.11 | 1.16 | 0.051 | 0.49 | – | – |
| Feed efficiency(d 0−21) | 0.17 | 0.17 | 0.0166 | 0.92 | – | – |
| Feed efficiency(d 21−42) | 0.17 | 0.17 | 0.00205 | 0.39 | – | – |
| Feed efficiency(d 0−42) | 0.17 | 0.17 | 0.00810 | 0.74 | – | – |
aCON, control diet; CB = 2 ×108 CFU/kg of dry matter intake.
bSEM, Standard error of the mean.