Bull

VJ Juke

NTM 22

Herdbook number: FIN 582 Birthdate: 20 Jan 2022

Breed Jersey

Sire VJ Jake

MGS VJ Hodja

Proven/Genomic Genomic

Beta casein A2A2

Kappa casein BB

Polled Horned

aAa 615

Recommended for

Health Milk Fertility Hoof health Organic

Link to NAV Bull Data

NTM guide

Production & Efficiency

Trait Index 80 100 120
Production 114
Milk kg 106
Fat, kg 113
Fat, % 102
Protein kg 111
Protein % 103
Persistency 104
Growth 98
Carcass conformation score 98
Saved feed 98
Maintenance efficiency 100

NAV proof run date: 12-08-2025 Reliability 88 % Number of daughters: 0

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 106 171.9 7751
Fat kg, 305 days 113 13.7 460
Fat %, 305 days 102 0.05 6.0
Protein kg, 305 days 111 9.4 335
Protein %, 305 days 103 0.03 4.3

NAV proof run date: 12-08-2025 Reliability 88 % Number of daughters: 0

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 114
Interval from calving to first insemination (cows) 97
Interval from first to last insemination (heifers) 99
Interval from first to last insemination (cows) 119
Number of inseminations (heifers) 98
Number of inseminations (cows) 111
Calving sire 90
Calving maternal 101
Udder health 111
General health 103
Longevity 105
Hoof health 106
Sole Ulcer 112
Sole Hemorrhage 116
Heel Horn Erosion 95
Digital dermatitis + Interdigital Dermatitis 89
Verrucose dermatitis + Interdigital Hyperplasia 94
Double sole + White line separation 129
Cork screw claw 120
Youngstock survival 100

NAV proof run date: 12-08-2025 Reliability 73 % Number of daughters: 0

Trait Index 80 100 120
Milkability 104
Temperament 103

NAV proof run date: 12-08-2025 Reliability 53 % Number of daughters: 0

Trait Index 80 100 120
Frame 95
Stature 103 Short Tall
Body depth 102 Shallow Deep
Chest width 103 Narrow Wide
Rib structure 97 Coarse Angular
Top line 102 Weak Strong
Rump width 99 Narrow pins Wide pins
Rump angle 110 High pins Low pins
Feet & legs 98
Rear legs, side view 88 Straight Sickled
Rear legs, back rear view 91 Toes out Parallel, bow-legged
Foot angle 116 Low Steep
Bone quality 88 Coarse Fine and thin
Hock quality 82 Filled Dry
Udder 108
Fore udder attachment 113 Loose Strong
Rear udder height 114 Low High
Rear udder width 113 Narrow Wide
Udder support 115 Weak Strong
Udder depth 107 Deep High
Udder balance 99 Deep rear udder Deep front udder
Teat length 87 Short Long
Teat thickness 91 Thin Thick
Teat placement (front) 112 Wide Close
Teat placement (back) 115 Wide Close

NAV proof run date: 12-08-2025 Reliability 53 % 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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