VJ Gyvel

NTM -8

Herdbook number: DNK 304163 Birthdate: 25 Mar 2015

Breed Jersey

Sire VJ Hihl

MGS DJ Izzy

Proven/Genomic Proven

Beta casein A2A2

Kappa casein BB

Polled Horned

aAa 243

Recommended for

Hoof health

Link to NAV Bull Data

NTM guide

Production & Efficiency

Trait Index 80 100 120
Production 94
Milk kg 104
Fat, kg 92
Fat, % 91
Protein kg 100
Protein % 93
Persistency 105
Growth 92
Daily carcass gain 97
Carcass conformation score 94
Saved feed 93
Maintenance efficiency 102

NAV proof run date: 05-05-2026 Reliability 99 % Number of daughters: 921

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 104 114.6 7828
Fat kg, 305 days 92 -8.4 466
Fat %, 305 days 91 -0.23 6.0
Protein kg, 305 days 100 0.0 342
Protein %, 305 days 93 -0.07 4.4

NAV proof run date: 05-05-2026 Reliability 99 % Number of daughters: 921

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 97
Interval from calving to first insemination (cows) 109
Interval from first to last insemination (heifers) 92
Interval from first to last insemination (cows) 99
Number of inseminations (heifers) 95
Number of inseminations (cows) 96
Calving sire 95
Calving maternal 108
Udder health 101
General health 96
Longevity 103
Hoof health 107
Sole Ulcer 112
Sole Hemorrhage 123
Heel Horn Erosion 91
Digital dermatitis + Interdigital Dermatitis 89
Verrucose dermatitis + Interdigital Hyperplasia 102
Double sole + White line separation 129
Cork screw claw 106
Youngstock survival 98

NAV proof run date: 05-05-2026 Reliability 97 % Number of daughters: 719

Trait Index 80 100 120
Milkability 102
Temperament 84

NAV proof run date: 05-05-2026 Reliability 92 % Number of daughters: 497

Trait Index 80 100 120
Frame 88
Stature 110 Short Tall
Body depth 98 Shallow Deep
Chest width 88 Narrow Wide
Rib structure 114 Coarse Angular
Top line 95 Weak Strong
Rump width 120 Narrow pins Wide pins
Rump angle 116 High pins Low pins
Feet & legs 103
Rear legs, side view 102 Straight Sickled
Rear legs, back rear view 98 Toes out Parallel, bow-legged
Foot angle 94 Low Steep
Bone quality 109 Coarse Fine and thin
Hock quality 111 Filled Dry
Udder 94
Fore udder attachment 96 Loose Strong
Rear udder height 92 Low High
Rear udder width 92 Narrow Wide
Udder support 89 Weak Strong
Udder depth 107 Deep High
Udder balance 112 Deep rear udder Deep front udder
Teat length 98 Short Long
Teat thickness 87 Thin Thick
Teat placement (front) 108 Wide Close
Teat placement (back) 103 Wide Close

NAV proof run date: 05-05-2026 Reliability 92 % Number of daughters: 497

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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