| Close Nucleus Herd |
|
|
|
| Breeding herd SRS. |
||
| 300
cows 20 bulls. |
||
|
|
|
| Weaning 240 d. |
||
| 3
lots / y. |
||
| Selected M &
F |
|
|
|
| Performance test |
||
| 1
year. |
||
| Selected |
| Selected
bulls |
| Selected
females |
| as semen |
| Farmer’s |
| as loan bull |