| Angus | Brahman | Brangus | Beefmaster | Wagyu | All breeds |
Mean Age | 3.94 | 8.57 | 5.71 | 7.97 | <3.0 | 7.16 |
Std Dev | 1.72 | 3.11 | 3.029 | 10.85 | n/a | 6.92 |