Bull

VJ Chicago

NTM 21

Herdbook number: DNK 305148 Birthdate: 28 Jun 2021

Breed Jersey

Sire VJ Cozy

MGS VJ Lucifer

Proven/Genomic Genomic

Beta casein A2A2

Kappa casein BB

Polled Horned

aAa 462

Recommended for

Calving Ease

Link to NAV Bull Data

NTM guide

Production & Efficiency

Trait Index 80 100 120
Production 116
Milk kg 103
Fat, kg 114
Fat, % 106
Protein kg 112
Protein % 110
Persistency 125
Growth 97
Carcass conformation score 97
Saved feed 109
Maintenance efficiency 112

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 103 85.9 7751
Fat kg, 305 days 114 14.7 460
Fat %, 305 days 106 0.15 6.0
Protein kg, 305 days 112 10.3 335
Protein %, 305 days 110 0.09 4.3

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

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 101
Interval from calving to first insemination (cows) 100
Interval from first to last insemination (heifers) 109
Interval from first to last insemination (cows) 98
Number of inseminations (heifers) 106
Number of inseminations (cows) 99
Calving sire 118
Calving maternal 107
Udder health 103
General health 97
Longevity 103
Hoof health 98
Sole Ulcer 86
Sole Hemorrhage 100
Heel Horn Erosion 105
Digital dermatitis + Interdigital Dermatitis 112
Verrucose dermatitis + Interdigital Hyperplasia 118
Double sole + White line separation 98
Cork screw claw 100
Youngstock survival 108

NAV proof run date: 12-08-2025 Reliability 74 % Number of daughters: 0

Trait Index 80 100 120
Milkability 131
Temperament 91

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

Trait Index 80 100 120
Frame 103
Stature 94 Short Tall
Body depth 91 Shallow Deep
Chest width 87 Narrow Wide
Rib structure 108 Coarse Angular
Top line 100 Weak Strong
Rump width 100 Narrow pins Wide pins
Rump angle 90 High pins Low pins
Feet & legs 108
Rear legs, side view 101 Straight Sickled
Rear legs, back rear view 105 Toes out Parallel, bow-legged
Foot angle 108 Low Steep
Bone quality 111 Coarse Fine and thin
Hock quality 102 Filled Dry
Udder 97
Fore udder attachment 100 Loose Strong
Rear udder height 103 Low High
Rear udder width 112 Narrow Wide
Udder support 107 Weak Strong
Udder depth 95 Deep High
Udder balance 90 Deep rear udder Deep front udder
Teat length 96 Short Long
Teat thickness 100 Thin Thick
Teat placement (front) 113 Wide Close
Teat placement (back) 107 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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