Bull

VJ Chief

NTM 7

Herdbook number: DNK 304865 Birthdate: 21 Apr 2019

Breed Jersey

Sire VJ Choko

MGS VJ Hilario

Proven/Genomic Proven

Beta casein A2A2

Kappa casein BB

Polled Horned

aAa 561423

Recommended for

Hoof health

Link to NAV Bull Data

NTM guide

Production & Efficiency

Trait Index 80 100 120
Production 107
Milk kg 97
Fat, kg 103
Fat, % 105
Protein kg 107
Protein % 114
Persistency 109
Growth 108
Daily carcass gain 107
Carcass conformation score 107
Saved feed 106
Maintenance efficiency 103

NAV proof run date: 03-02-2026 Reliability 99 % Number of daughters: 1950

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 97 -85.9 7778
Fat kg, 305 days 103 3.2 463
Fat %, 305 days 105 0.13 6.0
Protein kg, 305 days 107 6.0 339
Protein %, 305 days 114 0.13 4.4

NAV proof run date: 03-02-2026 Reliability 99 % Number of daughters: 1950

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 95
Interval from calving to first insemination (cows) 86
Interval from first to last insemination (heifers) 97
Interval from first to last insemination (cows) 94
Number of inseminations (heifers) 100
Number of inseminations (cows) 103
Calving sire 110
Calving maternal 94
Udder health 96
General health 106
Longevity 98
Hoof health 109
Sole Ulcer 106
Sole Hemorrhage 116
Heel Horn Erosion 108
Digital dermatitis + Interdigital Dermatitis 103
Verrucose dermatitis + Interdigital Hyperplasia 118
Double sole + White line separation 87
Cork screw claw 112
Youngstock survival 116

NAV proof run date: 03-02-2026 Reliability 98 % Number of daughters: 1688

Trait Index 80 100 120
Milkability 104
Temperament 104

NAV proof run date: 03-02-2026 Reliability 93 % Number of daughters: 856

Trait Index 80 100 120
Frame 106
Stature 99 Short Tall
Body depth 86 Shallow Deep
Chest width 92 Narrow Wide
Rib structure 105 Coarse Angular
Top line 116 Weak Strong
Rump width 97 Narrow pins Wide pins
Rump angle 97 High pins Low pins
Feet & legs 87
Rear legs, side view 110 Straight Sickled
Rear legs, back rear view 80 Toes out Parallel, bow-legged
Foot angle 100 Low Steep
Bone quality 108 Coarse Fine and thin
Hock quality 93 Filled Dry
Udder 105
Fore udder attachment 103 Loose Strong
Rear udder height 107 Low High
Rear udder width 110 Narrow Wide
Udder support 113 Weak Strong
Udder depth 108 Deep High
Udder balance 84 Deep rear udder Deep front udder
Teat length 78 Short Long
Teat thickness 94 Thin Thick
Teat placement (front) 101 Wide Close
Teat placement (back) 116 Wide Close

NAV proof run date: 03-02-2026 Reliability 93 % Number of daughters: 856

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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