Bull

VJ Chief

NTM 8

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

Grazing Hoof health

Link to NAV Bull Data

NTM guide

Production & Efficiency

Trait Index 80 100 120
Production 108
Milk kg 98
Fat, kg 104
Fat, % 105
Protein kg 108
Protein % 114
Persistency 109
Growth 105
Daily carcass gain 107
Carcass conformation score 104
Saved feed 95
Maintenance efficiency 101
Metabolic efficiency 94

NAV proof run date: 07-01-2025 Reliability 99 % Number of daughters: 1850

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 98 -57.3 7691
Fat kg, 305 days 104 4.2 457
Fat %, 305 days 105 0.13 6.0
Protein kg, 305 days 108 6.8 332
Protein %, 305 days 114 0.13 4.3

NAV proof run date: 07-01-2025 Reliability 99 % Number of daughters: 1850

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 100
Interval from calving to first insemination (cows) 86
Interval from first to last insemination (heifers) 99
Interval from first to last insemination (cows) 99
Number of inseminations (heifers) 101
Number of inseminations (cows) 108
Calving sire 113
Calving maternal 95
Udder health 96
General health 104
Longevity 105
Hoof health 106
Sole Ulcer 101
Sole Hemorrhage 115
Heel Horn Erosion 109
Digital dermatitis + Interdigital Dermatitis 105
Verrucose dermatitis + Interdigital Hyperplasia 119
Double sole + White line separation 89
Cork screw claw 115
Youngstock survival 116

NAV proof run date: 07-01-2025 Reliability 97 % Number of daughters: 1642

Trait Index 80 100 120
Milkability 104
Temperament 108

NAV proof run date: 07-01-2025 Reliability 91 % Number of daughters: 790

Trait Index 80 100 120
Frame 108
Stature 100 Short Tall
Body depth 88 Shallow Deep
Chest width 93 Narrow Wide
Rib structure 106 Coarse Angular
Top line 116 Weak Strong
Rump width 99 Narrow pins Wide pins
Rump angle 96 High pins Low pins
Feet & legs 87
Rear legs, side view 108 Straight Sickled
Rear legs, back rear view 78 Toes out Parallel, bow-legged
Foot angle 100 Low Steep
Bone quality 108 Coarse Fine and thin
Hock quality 92 Filled Dry
Udder 107
Fore udder attachment 107 Loose Strong
Rear udder height 108 Low High
Rear udder width 110 Narrow Wide
Udder support 116 Weak Strong
Udder depth 109 Deep High
Udder balance 82 Deep rear udder Deep front udder
Teat length 80 Short Long
Teat thickness 94 Thin Thick
Teat placement (front) 100 Wide Close
Teat placement (back) 117 Wide Close

NAV proof run date: 07-01-2025 Reliability 91 % Number of daughters: 790

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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