Bull

VJ Jabra

NTM 24

Herdbook number: DNK 305167 Birthdate: 8 Aug 2021

Sexed £ 30

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

Local proof

NTM guide

Production & Efficiency

Trait Index 80 100 120
Production 113
Milk kg 118
Fat, kg 112
Fat, % 90
Protein kg 117
Protein % 88
Persistency 112
Growth 102
Saved feed 99
Maintenance efficiency 100

NAV proof run date: 12-08-2025 Reliability 88 % Number of daughters: 1

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 118 515.6 7751
Fat kg, 305 days 112 12.6 460
Fat %, 305 days 90 -0.25 6.0
Protein kg, 305 days 117 14.5 335
Protein %, 305 days 88 -0.11 4.3

NAV proof run date: 12-08-2025 Reliability 88 % Number of daughters: 1

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 109
Interval from calving to first insemination (cows) 106
Interval from first to last insemination (heifers) 108
Interval from first to last insemination (cows) 109
Number of inseminations (heifers) 108
Number of inseminations (cows) 105
Calving sire 105
Calving maternal 107
Udder health 118
General health 108
Longevity 109
Hoof health 105
Sole Ulcer 111
Sole Hemorrhage 104
Heel Horn Erosion 97
Digital dermatitis + Interdigital Dermatitis 93
Verrucose dermatitis + Interdigital Hyperplasia 90
Double sole + White line separation 124
Cork screw claw 103
Youngstock survival 96

NAV proof run date: 12-08-2025 Reliability 75 % Number of daughters: 0

Trait Index 80 100 120
Milkability 102
Temperament 103

NAV proof run date: 12-08-2025 Reliability 54 % Number of daughters: 0

Trait Index 80 100 120
Frame 98
Stature 99 Short Tall
Body depth 99 Shallow Deep
Chest width 108 Narrow Wide
Rib structure 93 Coarse Angular
Top line 103 Weak Strong
Rump width 96 Narrow pins Wide pins
Rump angle 106 High pins Low pins
Feet & legs 90
Rear legs, side view 95 Straight Sickled
Rear legs, back rear view 90 Toes out Parallel, bow-legged
Foot angle 109 Low Steep
Bone quality 85 Coarse Fine and thin
Hock quality 79 Filled Dry
Udder 108
Fore udder attachment 109 Loose Strong
Rear udder height 101 Low High
Rear udder width 101 Narrow Wide
Udder support 98 Weak Strong
Udder depth 104 Deep High
Udder balance 104 Deep rear udder Deep front udder
Teat length 102 Short Long
Teat thickness 112 Thin Thick
Teat placement (front) 112 Wide Close
Teat placement (back) 102 Wide Close

NAV proof run date: 12-08-2025 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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