Bull

VJ Gonzo

NTM 14

Herdbook number: DNK 305204 Birthdate: 13 Oct 2021

Breed Jersey

Sire VJ Giga

MGS VJ Libero

Proven/Genomic Genomic

Beta casein A2A2

Kappa casein AB

Polled Horned

aAa 543

Recommended for

Grazing Robot Fertility Calving Ease

Link to NAV Bull Data

NTM guide

Production & Efficiency

Trait Index 80 100 120
Production 110
Milk kg 99
Fat, kg 108
Fat, % 105
Protein kg 106
Protein % 109
Persistency 104
Growth 112
Carcass conformation score 114
Saved feed 94
Maintenance efficiency 101

NAV proof run date: 03-02-2026 Reliability 88 % Number of daughters: 2

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 99 -28.6 7778
Fat kg, 305 days 108 8.4 463
Fat %, 305 days 105 0.13 6.0
Protein kg, 305 days 106 5.1 339
Protein %, 305 days 109 0.08 4.4

NAV proof run date: 03-02-2026 Reliability 88 % Number of daughters: 2

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 112
Interval from calving to first insemination (cows) 98
Interval from first to last insemination (heifers) 118
Interval from first to last insemination (cows) 108
Number of inseminations (heifers) 116
Number of inseminations (cows) 113
Calving sire 110
Calving maternal 104
Udder health 99
General health 103
Longevity 109
Hoof health 104
Sole Ulcer 115
Sole Hemorrhage 97
Heel Horn Erosion 96
Digital dermatitis + Interdigital Dermatitis 82
Verrucose dermatitis + Interdigital Hyperplasia 111
Double sole + White line separation 110
Cork screw claw 107
Youngstock survival 113

NAV proof run date: 03-02-2026 Reliability 74 % Number of daughters: 0

Trait Index 80 100 120
Milkability 108
Temperament 84

NAV proof run date: 03-02-2026 Reliability 52 % Number of daughters: 1

Trait Index 80 100 120
Frame 84
Stature 100 Short Tall
Body depth 91 Shallow Deep
Chest width 105 Narrow Wide
Rib structure 82 Coarse Angular
Top line 90 Weak Strong
Rump width 101 Narrow pins Wide pins
Rump angle 107 High pins Low pins
Feet & legs 95
Rear legs, side view 112 Straight Sickled
Rear legs, back rear view 94 Toes out Parallel, bow-legged
Foot angle 100 Low Steep
Bone quality 100 Coarse Fine and thin
Hock quality 107 Filled Dry
Udder 104
Fore udder attachment 103 Loose Strong
Rear udder height 94 Low High
Rear udder width 90 Narrow Wide
Udder support 95 Weak Strong
Udder depth 103 Deep High
Udder balance 92 Deep rear udder Deep front udder
Teat length 117 Short Long
Teat thickness 109 Thin Thick
Teat placement (front) 105 Wide Close
Teat placement (back) 95 Wide Close

NAV proof run date: 03-02-2026 Reliability 52 % Number of daughters: 1

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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