Bull

VJ Luck

NTM 12

Herdbook number: DNK 304413 Birthdate: 21 Apr 2016

Breed Jersey

Sire VJ Libero

MGS VJ Pick

Proven/Genomic Proven

Beta casein A2A2

Kappa casein BB

Polled Horned

aAa 543612

Link to NAV Bull Data

NTM guide

Production & Efficiency

Trait Index 80 100 120
Production 111
Milk kg 99
Fat, kg 109
Fat, % 106
Protein kg 108
Protein % 112
Persistency 104
Growth 109
Daily carcass gain 100
Carcass conformation score 111
Saved feed 118
Maintenance efficiency 115

NAV proof run date: 12-08-2025 Reliability 100 % Number of daughters: 1248

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 99 -28.6 7751
Fat kg, 305 days 109 9.5 460
Fat %, 305 days 106 0.15 6.0
Protein kg, 305 days 108 6.8 335
Protein %, 305 days 112 0.11 4.3

NAV proof run date: 12-08-2025 Reliability 100 % Number of daughters: 1248

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 96
Interval from calving to first insemination (cows) 92
Interval from first to last insemination (heifers) 91
Interval from first to last insemination (cows) 98
Number of inseminations (heifers) 89
Number of inseminations (cows) 98
Calving sire 105
Calving maternal 98
Udder health 97
General health 111
Longevity 114
Hoof health 96
Sole Ulcer 102
Sole Hemorrhage 103
Heel Horn Erosion 98
Digital dermatitis + Interdigital Dermatitis 81
Verrucose dermatitis + Interdigital Hyperplasia 103
Double sole + White line separation 116
Cork screw claw 123
Youngstock survival 107

NAV proof run date: 12-08-2025 Reliability 98 % Number of daughters: 1095

Trait Index 80 100 120
Milkability 105
Temperament 91

NAV proof run date: 12-08-2025 Reliability 99 % Number of daughters: 638

Trait Index 80 100 120
Frame 91
Stature 87 Short Tall
Body depth 93 Shallow Deep
Chest width 82 Narrow Wide
Rib structure 94 Coarse Angular
Top line 98 Weak Strong
Rump width 89 Narrow pins Wide pins
Rump angle 104 High pins Low pins
Feet & legs 110
Rear legs, side view 95 Straight Sickled
Rear legs, back rear view 99 Toes out Parallel, bow-legged
Foot angle 90 Low Steep
Bone quality 117 Coarse Fine and thin
Hock quality 121 Filled Dry
Udder 86
Fore udder attachment 87 Loose Strong
Rear udder height 98 Low High
Rear udder width 90 Narrow Wide
Udder support 99 Weak Strong
Udder depth 90 Deep High
Udder balance 99 Deep rear udder Deep front udder
Teat length 94 Short Long
Teat thickness 100 Thin Thick
Teat placement (front) 110 Wide Close
Teat placement (back) 112 Wide Close

NAV proof run date: 12-08-2025 Reliability 99 % Number of daughters: 638

Name Scientific name Symptoms Code Result
JH1 Jersey Haplotype 1 (JH1F = Not carrier, JH1C = Single carrier, JH1S = Double carrier) JH1 is an autosomal Read more (JH1F = Not carrier, JH1C = Single carrier, JH1S = Double carrier) JH1 is an autosomal recessively inherited defect. The disorder was identified in the North American and the Nordic Jersey populations, however the frequency was somewhat lower in the Nordic population. JH1 primarily causes early embryonic death (spontaneous abortion), within the first 60 days of gestation. The key ancestor is believed to be Observer Chocolate Soldier (US 596832). https://omia.org/OMIA001697/9913/ JH1F Free

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