VJ Gyvel

NTM -7

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 95
Milk kg 104
Fat, kg 93
Fat, % 91
Protein kg 101
Protein % 93
Persistency 104
Growth 93
Daily carcass gain 97
Carcass conformation score 92
Saved feed 90
Maintenance efficiency 101

NAV proof run date: 03-02-2026 Reliability 99 % Number of daughters: 921

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 104 114.6 7778
Fat kg, 305 days 93 -7.4 463
Fat %, 305 days 91 -0.23 6.0
Protein kg, 305 days 101 0.9 339
Protein %, 305 days 93 -0.07 4.4

NAV proof run date: 03-02-2026 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) 93
Interval from first to last insemination (cows) 98
Number of inseminations (heifers) 94
Number of inseminations (cows) 95
Calving sire 96
Calving maternal 109
Udder health 99
General health 96
Longevity 103
Hoof health 109
Sole Ulcer 114
Sole Hemorrhage 125
Heel Horn Erosion 94
Digital dermatitis + Interdigital Dermatitis 89
Verrucose dermatitis + Interdigital Hyperplasia 103
Double sole + White line separation 129
Cork screw claw 109
Youngstock survival 98

NAV proof run date: 03-02-2026 Reliability 97 % Number of daughters: 718

Trait Index 80 100 120
Milkability 102
Temperament 84

NAV proof run date: 03-02-2026 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 115 Coarse Angular
Top line 95 Weak Strong
Rump width 120 Narrow pins Wide pins
Rump angle 116 High pins Low pins
Feet & legs 102
Rear legs, side view 101 Straight Sickled
Rear legs, back rear view 97 Toes out Parallel, bow-legged
Foot angle 94 Low Steep
Bone quality 108 Coarse Fine and thin
Hock quality 111 Filled Dry
Udder 95
Fore udder attachment 96 Loose Strong
Rear udder height 93 Low High
Rear udder width 93 Narrow Wide
Udder support 88 Weak Strong
Udder depth 107 Deep High
Udder balance 112 Deep rear udder Deep front udder
Teat length 98 Short Long
Teat thickness 88 Thin Thick
Teat placement (front) 109 Wide Close
Teat placement (back) 103 Wide Close

NAV proof run date: 03-02-2026 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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