Table 3.
Effects of betaine on growth performance of high-fat-diet-fed SD rats (n = 8).
| C | CB | HF | HFB | p-Value | |||
|---|---|---|---|---|---|---|---|
| BET | FAT | BET × FAT | |||||
| Initial body weight, g | 188.4 ± 3.9 | 185.3 ± 6.1 | 186.4 ± 7.2 | 184.9 ± 4.7 | 0.252 | 0.569 | 0.700 |
| Final body weight, g | 242.5 ± 10.0 | 244.4 ± 7.9 | 254.9 ± 29.7 | 244.9 ± 14.1 | 0.520 | 0.310 | 0.349 |
| Average daily gain, g/d | 1.93 ± 0.34 | 2.11 ± 0.27 | 2.46 ± 0.43 * | 2.25 ± 0.32 | 0.598 | 0.035 | 0.060 |
| Average daily feed intake, g/kg BW | 79.12 ± 12 | 75.47 ± 6.09 | 62.84 ± 7.46 * | 58.13 ± 8.37# | 0.008 | <0.001 | 0.743 |
| Liver index, % | 3.90 ± 0.22 | 3.84 ± 0.26 | 3.89 ± 0.57 | 3.80 ± 0.17 | 0.542 | 0.863 | 0.894 |
* Significantly different from the C group (p < 0.05). # Significantly different from the HF group (p < 0.05). C—basal diet, CB—basal diet supplemented with 1% betaine, HF—high-fat diet, HFB—high-fat diet supplemented with 1% betaine.