Bull

VJ Nirak

NTM 16

Herdbook number: DNK 305141 Birthdate: 9 Apr 2021

Sexed £ 30

Breed Jersey

Sire VJ Nibiru

MGS VJ Pele

Proven/Genomic Genomic

Beta casein A2A2

Kappa casein BB

Polled Horned

aAa 516

Recommended for

Solids Hoof health

Link to NAV Bull Data

Local proof

NTM guide

Production & Efficiency

Trait Index 80 100 120
Production 118
Milk kg 96
Fat, kg 116
Fat, % 113
Protein kg 110
Protein % 120
Persistency 93
Growth 97
Saved feed 99
Maintenance efficiency 91

NAV proof run date: 12-08-2025 Reliability 96 % Number of daughters: 126

Expected Progeny Difference

Trait Index Bull effect Average
Milk kg, 305 days 96 -114.6 7751
Fat kg, 305 days 116 16.9 460
Fat %, 305 days 113 0.33 6.0
Protein kg, 305 days 110 8.5 335
Protein %, 305 days 120 0.19 4.3

NAV proof run date: 12-08-2025 Reliability 96 % Number of daughters: 126

Health & Reproduction

Trait Index 80 100 120
Daughter fertility 95
Interval from calving to first insemination (cows) 106
Interval from first to last insemination (heifers) 98
Interval from first to last insemination (cows) 95
Number of inseminations (heifers) 97
Number of inseminations (cows) 94
Calving sire 105
Calving maternal 94
Udder health 100
General health 107
Longevity 98
Hoof health 111
Sole Ulcer 115
Sole Hemorrhage 110
Heel Horn Erosion 94
Digital dermatitis + Interdigital Dermatitis 103
Verrucose dermatitis + Interdigital Hyperplasia 89
Double sole + White line separation 122
Cork screw claw 109
Youngstock survival 104

NAV proof run date: 12-08-2025 Reliability 80 % Number of daughters: 4

Trait Index 80 100 120
Milkability 109
Temperament 101

NAV proof run date: 12-08-2025 Reliability 65 % Number of daughters: 23

Trait Index 80 100 120
Frame 101
Stature 107 Short Tall
Body depth 112 Shallow Deep
Chest width 114 Narrow Wide
Rib structure 108 Coarse Angular
Top line 95 Weak Strong
Rump width 107 Narrow pins Wide pins
Rump angle 102 High pins Low pins
Feet & legs 78
Rear legs, side view 121 Straight Sickled
Rear legs, back rear view 92 Toes out Parallel, bow-legged
Foot angle 82 Low Steep
Bone quality 100 Coarse Fine and thin
Hock quality 96 Filled Dry
Udder 108
Fore udder attachment 102 Loose Strong
Rear udder height 99 Low High
Rear udder width 104 Narrow Wide
Udder support 110 Weak Strong
Udder depth 102 Deep High
Udder balance 102 Deep rear udder Deep front udder
Teat length 125 Short Long
Teat thickness 113 Thin Thick
Teat placement (front) 94 Wide Close
Teat placement (back) 96 Wide Close

NAV proof run date: 12-08-2025 Reliability 65 % Number of daughters: 23

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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