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JAS Byg

NTM -29
Herdbook number: DNK 47880 Birthdate: 20 Apr 1988
Breed Jersey
Proven/Genomic Proven
Beta casein -
Kappa casein AB
Polled Horned
aAa -
Recommended for
Solids
Production & Efficiency
  • Trait Index 80 100 120
  • Production 68
  • Milk kg 71
  • Fat, kg 74
  • Fat, % 117
  • Protein kg 63
  • Protein % 107
  • Persistency 103
  • Growth 88
NAV proof run date: 05-05-2026 Reliability 99 % Number of daughters: 16277
Health & Reproduction
  • Trait Index 80 100 120
  • Daughter fertility 96
  • Interval from calving to first insemination (cows) 97
  • Interval from first to last insemination (heifers) 100
  • Interval from first to last insemination (cows) 94
  • Number of inseminations (heifers) 106
  • Number of inseminations (cows) 99
  • Calving sire 99
  • Calving maternal 86
  • Udder health 109
  • General health 113
  • Longevity 96
  • Hoof health 101
  • Sole Ulcer 109
  • Sole Hemorrhage 108
  • Heel Horn Erosion 96
  • Digital dermatitis + Interdigital Dermatitis 93
  • Verrucose dermatitis + Interdigital Hyperplasia 83
  • Double sole + White line separation 101
  • Cork screw claw 99
  • Youngstock survival 88
NAV proof run date: 05-05-2026 Reliability 99 % Number of daughters: 11636
Functional
  • Trait Index 80 100 120
  • Milkability 84
  • Temperament 106
NAV proof run date: 05-05-2026 Reliability 99 % Number of daughters: 1762
Conformation
  • Trait Index 80 100 120
  • Frame 97
  • Stature 83 Short Tall
  • Body depth 115 Shallow Deep
  • Chest width 103 Narrow Wide
  • Rib structure 100 Coarse Angular
  • Top line 87 Weak Strong
  • Rump width 98 Narrow pins Wide pins
  • Rump angle 108 High pins Low pins
  • Feet & legs 84
  • Rear legs, side view 112 Straight Sickled
  • Rear legs, back rear view 95 Toes out Parallel, bow-legged
  • Foot angle 101 Low Steep
  • Bone quality 95 Coarse Fine and thin
  • Hock quality 79 Filled Dry
  • Udder 82
  • Fore udder attachment 81 Loose Strong
  • Rear udder height 82 Low High
  • Rear udder width 92 Narrow Wide
  • Udder support 102 Weak Strong
  • Udder depth 82 Deep High
  • Udder balance 109 Deep rear udder Deep front udder
  • Teat length 89 Short Long
  • Teat thickness 99 Thin Thick
  • Teat placement (front) 88 Wide Close
  • Teat placement (back) 90 Wide Close
NAV proof run date: 05-05-2026 Reliability 99 % Number of daughters: 1762

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