VJ Pirko

NTM -13

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 93
Milk kg 91
Fat, kg 94
Fat, % 106
Protein kg 91
Protein % 104
Persistency 111
Growth 102
Saved feed 84
Maintenance efficiency 114

NAV proof run date: 04-02-2025 Reliability 95 % Number of daughters: 170

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 91 -257.8 7713
Fat kg, 305 days 94 -6.3 459
Fat %, 305 days 106 0.15 6.0
Protein kg, 305 days 91 -7.7 333
Protein %, 305 days 104 0.04 4.3

NAV proof run date: 04-02-2025 Reliability 95 % Number of daughters: 170

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 93
Interval from calving to first insemination (cows) 92
Interval from first to last insemination (heifers) 94
Interval from first to last insemination (cows) 94
Number of inseminations (heifers) 101
Number of inseminations (cows) 102
Calving sire 108
Calving maternal 102
Udder health 87
General health 99
Longevity 100
Hoof health 111
Sole Ulcer 110
Sole Hemorrhage 111
Heel Horn Erosion 109
Digital dermatitis + Interdigital Dermatitis 101
Verrucose dermatitis + Interdigital Hyperplasia 105
Double sole + White line separation 118
Cork screw claw 111
Youngstock survival 108

NAV proof run date: 04-02-2025 Reliability 88 % Number of daughters: 152

Trait Index 80 100 120
Milkability 120
Temperament 92

NAV proof run date: 04-02-2025 Reliability 76 % Number of daughters: 73

Trait Index 80 100 120
Frame 87
Stature 97 Short Tall
Body depth 78 Shallow Deep
Chest width 82 Narrow Wide
Rib structure 98 Coarse Angular
Top line 93 Weak Strong
Rump width 102 Narrow pins Wide pins
Rump angle 98 High pins Low pins
Feet & legs 104
Rear legs, side view 104 Straight Sickled
Rear legs, back rear view 82 Toes out Parallel, bow-legged
Foot angle 109 Low Steep
Bone quality 113 Coarse Fine and thin
Hock quality 112 Filled Dry
Udder 97
Fore udder attachment 94 Loose Strong
Rear udder height 96 Low High
Rear udder width 97 Narrow Wide
Udder support 118 Weak Strong
Udder depth 105 Deep High
Udder balance 107 Deep rear udder Deep front udder
Teat length 95 Short Long
Teat thickness 91 Thin Thick
Teat placement (front) 110 Wide Close
Teat placement (back) 116 Wide Close

NAV proof run date: 04-02-2025 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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