Bull

VJ Leby

NTM 13

Herdbook number: DNK 304546 Birthdate: 21 Dec 2016

Breed Jersey

Sire VJ Landa

MGS VJ Hihl

Proven/Genomic Proven

Beta casein A2A2

Kappa casein BB

Polled Horned

aAa 261

Recommended for

Fertility Calving Ease

Link to NAV Bull Data

NTM guide

Production & Efficiency

Trait Index 80 100 120
Production 102
Milk kg 102
Fat, kg 100
Fat, % 98
Protein kg 104
Protein % 102
Persistency 111
Growth 88
Saved feed 102
Maintenance efficiency 99

NAV proof run date: 04-02-2025 Reliability 97 % Number of daughters: 230

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 102 57.3 7713
Fat kg, 305 days 100 0.0 459
Fat %, 305 days 98 -0.05 6.0
Protein kg, 305 days 104 3.4 333
Protein %, 305 days 102 0.02 4.3

NAV proof run date: 04-02-2025 Reliability 97 % Number of daughters: 230

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 125
Interval from calving to first insemination (cows) 116
Interval from first to last insemination (heifers) 115
Interval from first to last insemination (cows) 127
Number of inseminations (heifers) 113
Number of inseminations (cows) 122
Calving sire 106
Calving maternal 108
Udder health 101
General health 95
Longevity 119
Hoof health 103
Sole Ulcer 106
Sole Hemorrhage 110
Heel Horn Erosion 95
Digital dermatitis + Interdigital Dermatitis 98
Verrucose dermatitis + Interdigital Hyperplasia 99
Double sole + White line separation 105
Cork screw claw 109
Youngstock survival 96

NAV proof run date: 04-02-2025 Reliability 91 % Number of daughters: 199

Trait Index 80 100 120
Milkability 115
Temperament 111

NAV proof run date: 04-02-2025 Reliability 82 % Number of daughters: 111

Trait Index 80 100 120
Frame 97
Stature 114 Short Tall
Body depth 103 Shallow Deep
Chest width 102 Narrow Wide
Rib structure 116 Coarse Angular
Top line 100 Weak Strong
Rump width 117 Narrow pins Wide pins
Rump angle 107 High pins Low pins
Feet & legs 100
Rear legs, side view 102 Straight Sickled
Rear legs, back rear view 112 Toes out Parallel, bow-legged
Foot angle 92 Low Steep
Bone quality 102 Coarse Fine and thin
Hock quality 96 Filled Dry
Udder 106
Fore udder attachment 99 Loose Strong
Rear udder height 102 Low High
Rear udder width 100 Narrow Wide
Udder support 107 Weak Strong
Udder depth 118 Deep High
Udder balance 98 Deep rear udder Deep front udder
Teat length 86 Short Long
Teat thickness 90 Thin Thick
Teat placement (front) 104 Wide Close
Teat placement (back) 108 Wide Close

NAV proof run date: 04-02-2025 Reliability 82 % Number of daughters: 111

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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