PRACTICAL PROVEN BREEDING
Bertus 12
Breed Groninger blaarkop
A.I.-code 36815
Breed 100% G
| A.I.-code | 36815 |
| Herdbook number | NL 888182270 |
| colour | whiteheaded red |
| Date of birth | 22-11-2009 |
| Breed | 100% G |
| Gestation length | 283 |
| Straw colour | yellow |
| aAa code | 423 |
| Kappa Casein | AA |
| Beta Casein | A1/A2 |
| Calving ease bull | yes |
| Calving ease | 105 |
About Bertus 12
The Red Groningen Blaarkop bull Bertus 12 is a Willem 5 son out of Betje 239 (87.5% Groningen). Betje 239 is a daughter of Ralmeta’s Ruby (75% Groningen).
His sire Willem 5 breeds a moderate sized cow with good udders and milk type. His daughters score very high for fertility and longevity. Dam Betje 239 is a good producing cow with a strong udder and good feet & legs.
The breeder of Bertus 12 is J.J.W. Zuidveld from Garrelsweer in the Dutch province of Groningen. Bertus 12 is a welcome expansion of our Groningen bull package.
Willem 5
Marnix 5
Willy 67
Betje 239
- 2.05 303d 5745 kg 4.52% 3.74%
- 3.05 284d 6749 kg 4.46% 3.83%
- 4.04 286d 7379 kg 4.52% 3.66%
- 86 81 84 B+ 84
Ralmeta's Ruby
Betje 158
- Total 11 lactations:
- (3075d) 66097 kg 4.35% 3.63%
- 78 86 83 B+ 84