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JAS Byg

NTM -27
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 70
  • Milk kg 72
  • Fat, kg 76
  • Fat, % 117
  • Protein kg 65
  • Protein % 108
  • Persistency 103
  • Growth 88
  • Daily carcass gain 79
  • Carcass conformation score 95
NAV proof run date: 06-05-2025 Reliability 100 % Number of daughters: 16277
Health & Reproduction
  • Trait Index 80 100 120
  • Daughter fertility 96
  • Interval from calving to first insemination (cows) 98
  • 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 100
  • Calving maternal 87
  • Udder health 108
  • General health 112
  • Longevity 98
  • Hoof health 104
  • Sole Ulcer 111
  • Sole Hemorrhage 111
  • Heel Horn Erosion 96
  • Digital dermatitis + Interdigital Dermatitis 95
  • Verrucose dermatitis + Interdigital Hyperplasia 86
  • Double sole + White line separation 103
  • Cork screw claw 100
  • Youngstock survival 90
NAV proof run date: 06-05-2025 Reliability 99 % Number of daughters: 11638
Functional
  • Trait Index 80 100 120
  • Milkability 84
  • Temperament 104
NAV proof run date: 06-05-2025 Reliability 99 % Number of daughters: 1762
Conformation
  • Trait Index 80 100 120
  • Frame 98
  • Stature 84 Short Tall
  • Body depth 114 Shallow Deep
  • Chest width 103 Narrow Wide
  • Rib structure 98 Coarse Angular
  • Top line 87 Weak Strong
  • Rump width 99 Narrow pins Wide pins
  • Rump angle 107 High pins Low pins
  • Feet & legs 83
  • Rear legs, side view 112 Straight Sickled
  • Rear legs, back rear view 93 Toes out Parallel, bow-legged
  • Foot angle 102 Low Steep
  • Bone quality 94 Coarse Fine and thin
  • Hock quality 79 Filled Dry
  • Udder 84
  • Fore udder attachment 83 Loose Strong
  • Rear udder height 83 Low High
  • Rear udder width 92 Narrow Wide
  • Udder support 102 Weak Strong
  • Udder depth 84 Deep High
  • Udder balance 109 Deep rear udder Deep front udder
  • Teat length 90 Short Long
  • Teat thickness 100 Thin Thick
  • Teat placement (front) 89 Wide Close
  • Teat placement (back) 91 Wide Close
NAV proof run date: 06-05-2025 Reliability 99 % Number of daughters: 1762

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