| Day | Control | Western | P-value* | ||
| N | Mean ± S.E. | N | Mean ± S.E. | ||
| 7 | 18 | 17.20 ± 0.19 | 18 | 16.44 ± 0.48 | 0.153 |
| 21 | 18 | 47.93 ± 0.61 | 18 | 51.64 ± 0.72 | 0.000 |