| Age | Breeds | |||||
| Arsi | Borana | Harar | ||||
| Mean | WBSF | Mean | WBSF | Mean | WBSF | |
| <3 | 30.27 | VT | 15.83 | VT | 15 | VT |
| 4 - 6 | 42.89 | IM | 20.49 | VT | 17 | VT |
| 7 - 9 | 55.52 | T | 24.73 | VT | 25 | VT |