Bull

VJ Giga

NTM 1

Herdbook number: DNK 304953 Birthdate: 4 Sep 2019

Breed Jersey

Sire VJ Giant

MGS VJ Hjort

Proven/Genomic Proven

Beta casein A2A2

Kappa casein AB

Polled Horned

aAa 543

Recommended for

Robot Calving Ease

Link to NAV Bull Data

NTM guide

Production & Efficiency

Trait Index 80 100 120
Production 106
Milk kg 99
Fat, kg 106
Fat, % 104
Protein kg 103
Protein % 104
Persistency 99
Growth 121
Daily carcass gain 108
Carcass conformation score 123
Saved feed 87
Maintenance efficiency 98

NAV proof run date: 05-05-2026 Reliability 99 % Number of daughters: 2477

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 99 -28.6 7828
Fat kg, 305 days 106 6.3 466
Fat %, 305 days 104 0.10 6.0
Protein kg, 305 days 103 2.6 342
Protein %, 305 days 104 0.04 4.4

NAV proof run date: 05-05-2026 Reliability 99 % Number of daughters: 2477

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 100
Interval from calving to first insemination (cows) 100
Interval from first to last insemination (heifers) 118
Interval from first to last insemination (cows) 94
Number of inseminations (heifers) 116
Number of inseminations (cows) 98
Calving sire 108
Calving maternal 100
Udder health 100
General health 97
Longevity 97
Hoof health 78
Sole Ulcer 93
Sole Hemorrhage 78
Heel Horn Erosion 83
Digital dermatitis + Interdigital Dermatitis 67
Verrucose dermatitis + Interdigital Hyperplasia 106
Double sole + White line separation 85
Cork screw claw 102
Youngstock survival 116

NAV proof run date: 05-05-2026 Reliability 98 % Number of daughters: 2082

Trait Index 80 100 120
Milkability 108
Temperament 101

NAV proof run date: 05-05-2026 Reliability 94 % Number of daughters: 1143

Trait Index 80 100 120
Frame 86
Stature 100 Short Tall
Body depth 92 Shallow Deep
Chest width 112 Narrow Wide
Rib structure 83 Coarse Angular
Top line 78 Weak Strong
Rump width 109 Narrow pins Wide pins
Rump angle 89 High pins Low pins
Feet & legs 87
Rear legs, side view 107 Straight Sickled
Rear legs, back rear view 90 Toes out Parallel, bow-legged
Foot angle 110 Low Steep
Bone quality 83 Coarse Fine and thin
Hock quality 85 Filled Dry
Udder 111
Fore udder attachment 113 Loose Strong
Rear udder height 95 Low High
Rear udder width 95 Narrow Wide
Udder support 95 Weak Strong
Udder depth 108 Deep High
Udder balance 89 Deep rear udder Deep front udder
Teat length 97 Short Long
Teat thickness 105 Thin Thick
Teat placement (front) 99 Wide Close
Teat placement (back) 93 Wide Close

NAV proof run date: 05-05-2026 Reliability 94 % Number of daughters: 1143

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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