Bull

VJ Choko

NTM -1

Herdbook number: DNK 304568 Birthdate: 30 Apr 2017

Breed Jersey

Sire VJ Lobo

MGS VJ Havdal

Proven/Genomic Proven

Beta casein A2A2

Kappa casein BB

Polled Horned

aAa 426315

Link to NAV Bull Data

NTM guide

Production & Efficiency

Trait Index 80 100 120
Production 107
Milk kg 104
Fat, kg 105
Fat, % 99
Protein kg 108
Protein % 102
Persistency 94
Growth 117
Daily carcass gain 116
Carcass conformation score 114
Saved feed 106
Maintenance efficiency 89

NAV proof run date: 04-02-2025 Reliability 99 % Number of daughters: 2050

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 104 114.6 7713
Fat kg, 305 days 105 5.3 459
Fat %, 305 days 99 -0.03 6.0
Protein kg, 305 days 108 6.8 333
Protein %, 305 days 102 0.02 4.3

NAV proof run date: 04-02-2025 Reliability 99 % Number of daughters: 2050

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 100
Interval from calving to first insemination (cows) 72
Interval from first to last insemination (heifers) 116
Interval from first to last insemination (cows) 93
Number of inseminations (heifers) 121
Number of inseminations (cows) 110
Calving sire 109
Calving maternal 90
Udder health 83
General health 97
Longevity 89
Hoof health 104
Sole Ulcer 104
Sole Hemorrhage 111
Heel Horn Erosion 97
Digital dermatitis + Interdigital Dermatitis 96
Verrucose dermatitis + Interdigital Hyperplasia 115
Double sole + White line separation 110
Cork screw claw 110
Youngstock survival 109

NAV proof run date: 04-02-2025 Reliability 98 % Number of daughters: 1662

Trait Index 80 100 120
Milkability 113
Temperament 100

NAV proof run date: 04-02-2025 Reliability 93 % Number of daughters: 807

Trait Index 80 100 120
Frame 85
Stature 115 Short Tall
Body depth 97 Shallow Deep
Chest width 96 Narrow Wide
Rib structure 114 Coarse Angular
Top line 91 Weak Strong
Rump width 109 Narrow pins Wide pins
Rump angle 103 High pins Low pins
Feet & legs 95
Rear legs, side view 105 Straight Sickled
Rear legs, back rear view 86 Toes out Parallel, bow-legged
Foot angle 120 Low Steep
Bone quality 93 Coarse Fine and thin
Hock quality 88 Filled Dry
Udder 92
Fore udder attachment 94 Loose Strong
Rear udder height 94 Low High
Rear udder width 103 Narrow Wide
Udder support 104 Weak Strong
Udder depth 90 Deep High
Udder balance 83 Deep rear udder Deep front udder
Teat length 107 Short Long
Teat thickness 111 Thin Thick
Teat placement (front) 110 Wide Close
Teat placement (back) 113 Wide Close

NAV proof run date: 04-02-2025 Reliability 93 % Number of daughters: 807

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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