VJ Pirko

NTM -17

Herdbook number: DNK 304547 Birthdate: 22 Jan 2017

Breed Jersey

Sire VJ Pil

MGS VJ Bro

Proven/Genomic Proven

Beta casein A2A2

Kappa casein BB

Polled Horned

aAa 615

Recommended for

Calving Ease Hoof health

Link to NAV Bull Data

NTM guide

Production & Efficiency

Trait Index 80 100 120
Production 91
Milk kg 90
Fat, kg 93
Fat, % 105
Protein kg 89
Protein % 103
Persistency 114
Growth 104
Saved feed 91
Maintenance efficiency 114

NAV proof run date: 05-05-2026 Reliability 98 % Number of daughters: 170

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 90 -286.5 7828
Fat kg, 305 days 93 -7.4 466
Fat %, 305 days 105 0.13 6.0
Protein kg, 305 days 89 -9.4 342
Protein %, 305 days 103 0.03 4.4

NAV proof run date: 05-05-2026 Reliability 98 % Number of daughters: 170

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 93
Interval from calving to first insemination (cows) 93
Interval from first to last insemination (heifers) 93
Interval from first to last insemination (cows) 92
Number of inseminations (heifers) 95
Number of inseminations (cows) 99
Calving sire 106
Calving maternal 100
Udder health 85
General health 99
Longevity 96
Hoof health 111
Sole Ulcer 110
Sole Hemorrhage 110
Heel Horn Erosion 105
Digital dermatitis + Interdigital Dermatitis 103
Verrucose dermatitis + Interdigital Hyperplasia 100
Double sole + White line separation 119
Cork screw claw 109
Youngstock survival 106

NAV proof run date: 05-05-2026 Reliability 89 % Number of daughters: 152

Trait Index 80 100 120
Milkability 119
Temperament 92

NAV proof run date: 05-05-2026 Reliability 76 % Number of daughters: 73

Trait Index 80 100 120
Frame 88
Stature 94 Short Tall
Body depth 79 Shallow Deep
Chest width 83 Narrow Wide
Rib structure 95 Coarse Angular
Top line 93 Weak Strong
Rump width 101 Narrow pins Wide pins
Rump angle 98 High pins Low pins
Feet & legs 105
Rear legs, side view 104 Straight Sickled
Rear legs, back rear view 83 Toes out Parallel, bow-legged
Foot angle 110 Low Steep
Bone quality 112 Coarse Fine and thin
Hock quality 115 Filled Dry
Udder 95
Fore udder attachment 92 Loose Strong
Rear udder height 96 Low High
Rear udder width 96 Narrow Wide
Udder support 118 Weak Strong
Udder depth 103 Deep High
Udder balance 106 Deep rear udder Deep front udder
Teat length 94 Short Long
Teat thickness 90 Thin Thick
Teat placement (front) 109 Wide Close
Teat placement (back) 117 Wide Close

NAV proof run date: 05-05-2026 Reliability 76 % Number of daughters: 73

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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