Bull

VJ Jabra

NTM 24

Herdbook number: DNK 305167 Birthdate: 8 Aug 2021

Breed Jersey

Sire VJ Jojo

MGS VJ Lago

Proven/Genomic Genomic

Beta casein A2A2

Kappa casein BB

Polled Horned

aAa 561

Recommended for

Health Milk Fertility Calving Ease Hoof health

Link to NAV Bull Data

NTM guide

Production & Efficiency

Trait Index 80 100 120
Production 116
Milk kg 121
Fat, kg 114
Fat, % 87
Protein kg 120
Protein % 87
Persistency 113
Growth 99
Carcass conformation score 99
Saved feed 96
Maintenance efficiency 101

NAV proof run date: 06-05-2025 Reliability 85 % Number of daughters: 0

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 121 601.6 7713
Fat kg, 305 days 114 14.7 459
Fat %, 305 days 87 -0.33 6.0
Protein kg, 305 days 120 17.1 333
Protein %, 305 days 87 -0.12 4.3

NAV proof run date: 06-05-2025 Reliability 85 % Number of daughters: 0

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 105
Interval from calving to first insemination (cows) 105
Interval from first to last insemination (heifers) 110
Interval from first to last insemination (cows) 107
Number of inseminations (heifers) 111
Number of inseminations (cows) 104
Calving sire 106
Calving maternal 108
Udder health 115
General health 108
Longevity 108
Hoof health 107
Sole Ulcer 112
Sole Hemorrhage 103
Heel Horn Erosion 101
Digital dermatitis + Interdigital Dermatitis 95
Verrucose dermatitis + Interdigital Hyperplasia 92
Double sole + White line separation 121
Cork screw claw 102
Youngstock survival 94

NAV proof run date: 06-05-2025 Reliability 74 % Number of daughters: 0

Trait Index 80 100 120
Milkability 102
Temperament 104

NAV proof run date: 06-05-2025 Reliability 54 % Number of daughters: 0

Trait Index 80 100 120
Frame 100
Stature 99 Short Tall
Body depth 100 Shallow Deep
Chest width 109 Narrow Wide
Rib structure 95 Coarse Angular
Top line 103 Weak Strong
Rump width 97 Narrow pins Wide pins
Rump angle 105 High pins Low pins
Feet & legs 91
Rear legs, side view 95 Straight Sickled
Rear legs, back rear view 90 Toes out Parallel, bow-legged
Foot angle 110 Low Steep
Bone quality 85 Coarse Fine and thin
Hock quality 81 Filled Dry
Udder 109
Fore udder attachment 110 Loose Strong
Rear udder height 101 Low High
Rear udder width 102 Narrow Wide
Udder support 98 Weak Strong
Udder depth 103 Deep High
Udder balance 103 Deep rear udder Deep front udder
Teat length 102 Short Long
Teat thickness 113 Thin Thick
Teat placement (front) 110 Wide Close
Teat placement (back) 99 Wide Close

NAV proof run date: 06-05-2025 Reliability 54 % Number of daughters: 0

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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