Bull

VJ Jern

NTM 0

Herdbook number: DNK 303457 Birthdate: 22 Feb 2010

Breed Jersey

Sire DJ Jason

MGS Q Hirse

Proven/Genomic Proven

Beta casein A2A2

Kappa casein BB

Polled Horned

aAa 645213

Recommended for

Milk Calving Ease

Link to NAV Bull Data

NTM guide

Production & Efficiency

Trait Index 80 100 120
Production 107
Milk kg 106
Fat, kg 106
Fat, % 98
Protein kg 107
Protein % 99
Persistency 106
Growth 106
Saved feed 95
Maintenance efficiency 85

NAV proof run date: 01-04-2025 Reliability 95 % Number of daughters: 156

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 106 171.9 7713
Fat kg, 305 days 106 6.3 459
Fat %, 305 days 98 -0.05 6.0
Protein kg, 305 days 107 6.0 333
Protein %, 305 days 99 -0.01 4.3

NAV proof run date: 01-04-2025 Reliability 95 % Number of daughters: 156

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 98
Interval from calving to first insemination (cows) 91
Interval from first to last insemination (heifers) 106
Interval from first to last insemination (cows) 97
Number of inseminations (heifers) 113
Number of inseminations (cows) 99
Calving sire 105
Calving maternal 101
Udder health 93
General health 100
Longevity 103
Hoof health 94
Sole Ulcer 93
Sole Hemorrhage 98
Heel Horn Erosion 103
Digital dermatitis + Interdigital Dermatitis 101
Verrucose dermatitis + Interdigital Hyperplasia 84
Double sole + White line separation 92
Cork screw claw 96
Youngstock survival 104

NAV proof run date: 01-04-2025 Reliability 90 % Number of daughters: 129

Trait Index 80 100 120
Milkability 116
Temperament 100

NAV proof run date: 01-04-2025 Reliability 85 % Number of daughters: 113

Trait Index 80 100 120
Frame 102
Stature 101 Short Tall
Body depth 122 Shallow Deep
Chest width 123 Narrow Wide
Rib structure 94 Coarse Angular
Top line 82 Weak Strong
Rump width 120 Narrow pins Wide pins
Rump angle 96 High pins Low pins
Feet & legs 102
Rear legs, side view 92 Straight Sickled
Rear legs, back rear view 117 Toes out Parallel, bow-legged
Foot angle 105 Low Steep
Bone quality 72 Coarse Fine and thin
Hock quality 93 Filled Dry
Udder 78
Fore udder attachment 80 Loose Strong
Rear udder height 94 Low High
Rear udder width 98 Narrow Wide
Udder support 98 Weak Strong
Udder depth 73 Deep High
Udder balance 103 Deep rear udder Deep front udder
Teat length 115 Short Long
Teat thickness 93 Thin Thick
Teat placement (front) 88 Wide Close
Teat placement (back) 84 Wide Close

NAV proof run date: 01-04-2025 Reliability 85 % Number of daughters: 113

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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