JAS Byg
NTM
-29
Born
4/20/1988
Breeder
Jens Munch
Evaluation
Jersey
International ID
Herdbook number
FIN 120
SWE 951
DNK 47880
Trait # Daughters # Herds
Yield 16277 2036
Udder health 11636 2311
Conformation 1762 243
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Breed proportions
Breed
%
JER
86
NZJ
11
USJ
3
Evaluation published 05.05.2026
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  • Trait Current evaluation 70 80 90 100 110 120 130 Reliability Contribution to NTM Index type Previous evaluation
Evaluation published 05.05.2026
  • Trait Breeding value NAV Countries
    Bull effect Average
    Comment
  • Yield 68        
    • Milk (305-d, kg) 71 -830.7  7828 -828.0  7920 -911.5  7825 -933.0  7416
    • Fat (305-d, kg) 74 -27.4  466 -27.3  462 -33.1  423 -30.3  444
    • Protein (305-d, kg) 63 -31.6  342 -31.5  341 -33.6  305 -35.0  313
    • Breeding values not in NTM        
      • Fat-% (average in 305-d) 117 +0.43  6.0 +0.43  5.9 +0.74  5.5 +0.49  6.0
      • Protein-% (average in 305-d) 107 +0.07  4.4 +0.06  4.3 +0.11  3.9 +0.08  4.2
  • Growth 88        
    • Daily carcass gain        
      • Short fattening period (g/day)   418   420     428
      • Long fattening period (g/day)   Not available in Denmark      
    • Carcass conformation score (1-15)   3.2   3.1     4.3
  • Fertility 96        
    • Interval from calving to first insemination (cows) (days) 97 +0.6  81 +0.6  81 +0.6  85 +0.6  85
    • Interval from first to last insemination (heifers) (days) 100 0.0  24 0.0  24 0.0  35 0.0  30
    • Interval from first to last insemination (cows) (days) 94 +1.7  35 +1.7  35 +1.9  46 +2.0  49
    • Number of inseminations (heifers) 106 -0.02  1.6 -0.02  1.6 -0.03  1.8 -0.02  1.6
    • Number of inseminations (cows) 99 +0.01  1.8 +0.01  1.8 +0.01  1.9 +0.01  1.8
  • Birth 99        
    • Survival (sire) (%)        
    • 1st lactation 98 -0.06  94.2 -0.06  94.3 -0.09  90.4 -0.06  94.0
    • 2nd and later lactations 112 +0.10  96.9 +0.10  96.9 +0.10  96.7 +0.07  97.7
    • Calving ease (sire) (%)        
    • 1st lactation 71 -0.692  93.79 -0.686  93.86 -1.202  87.02 -0.716  93.51
    • 2nd and later lactations 93 -0.076  96.24 -0.076  96.20 -0.098  94.84 -0.049  97.79
  • Calving 86        
    • Survival (maternal) (%)        
    • 1st lactation 88 -0.33  94.3 -0.33  94.3 -0.43  91.9 -0.33  94.2
    • 2nd and later lactations 83 -0.12  97.0 -0.12  96.9 -0.11  97.2 -0.09  97.8
    • Calving ease (maternal) (%)        
    • 1st lactation 92 -0.251  93.80 -0.250  93.85 -0.394  88.82 -0.255  93.68
    • 2nd and later lactations 98 -0.021  96.25 -0.021  96.20 -0.024  95.67 -0.013  97.88
  • Udder health (%) 109 -2.29  9.4 -2.29  9.4    
  • General health 113        
    • Early reproductive disorders (%) 103 -0.09  2.7 -0.09  2.6    
    • Late reproductive disorders (%) 107 -0.11  3.2 -0.11  3.4    
    • Ketosis (%) 109 -0.15  1.3 -0.15  1.3    
    • Other metabolic diseases (%) 122 -2.76  12.0 -2.76  12.1    
    • Feet and leg problems (%) 96 +0.75  10.7 +0.75  13.3    
  • Claw health 101        
    • Sole ulcer (p) 109 -0.009  0.09 -0.009  0.10 -0.007  0.06 -0.006  0.04
    • Sole hemorrhage (p) 108 -0.006  0.17 -0.006  0.17 -0.004  0.09 -0.005  0.12
    • Heel horn erosion (p) 96 +0.003  0.06 +0.003  0.06 +0.002  0.04 +0.002  0.05
    • Digital dermatitis + interdigital Dermatitis (p) 93 +0.015  0.11 +0.015  0.11 +0.014  0.05 +0.020  0.10
    • Verrucose dermatitis + Interdigital Hyperplasia (p) 83 +0.004  0.01 +0.004  0.01 +0.003  0.01 +0.004  0.01
    • Double sole + white line separation (p) 101 0.000  0.06 0.000  0.07 0.000  0.06 0.000  0.03
    • Cork screw claw (p) 99 0.000  0.13 0.000  0.13 0.000  0.03 0.000  0.03
  • Frame 97        
    • Stature (cm) 83 -1.24  131.6 -1.23  131.7 -1.48  134.2 -1.26  131.0
    • Body depth (1-9) 115 +0.20  6.5 +0.20  6.6 +0.25  6.1 +0.19  6.4
    • Chest width (1-9) 103 +0.03  5.4 +0.03  5.4 +0.04  5.6 +0.03  5.6
    • Rib structure (1-9) 100 0.00  5.6 0.00  5.6 0.00  5.7 0.00  5.8
    • Top line (1-9) 87 -0.19  6.1 -0.19  6.1 -0.21  5.6 -0.18  5.9
    • Rump width (1-9) 98 -0.04  5.4 -0.04  5.4 -0.05  4.4 -0.04  5.2
    • Rump angle (1-9) 108 +0.20  4.9 +0.20  4.9 +0.22  4.4 +0.19  4.6
  • Feet & legs 84        
    • Rear legs, side view (1-9) 112 +0.15  5.4 +0.15  5.4 +0.16  4.9 +0.12  5.3
    • Rear legs, rear view (1-9) 95 -0.05  5.9 -0.05  5.9 -0.07  6.0 -0.06  6.2
    • Hock quality (1-9) 79 -0.24  5.7 -0.24  5.7 -0.28  6.8 -0.22  6.2
    • Bone quality (1-9) 95 -0.05  6.5 -0.05  6.5 -0.06  7.6 -0.05  7.1
    • Foot angle (1-9) 101 +0.01  4.4 +0.01  4.4 +0.01  4.3 +0.01  4.5
  • Udder 82        
    • Fore udder attachment (1-9) 81 -0.43  4.9 -0.43  4.9 -0.46  5.4 -0.41  5.3
    • Rear udder height (1-9) 82 -0.40  5.7 -0.41  5.7 -0.36  5.8 -0.31  6.1
    • Rear udder width (1-9) 92 -0.16  5.7 -0.16  5.7 -0.17  5.7 -0.15  5.9
    • Udder cleft (1-9) 102 +0.04  4.8 +0.04  4.8 +0.04  5.0 +0.04  5.2
    • Udder depth (1-9) 82 -0.46  4.2 -0.46  4.1 -0.48  4.4 -0.43  4.4
    • Udder balance (1-9) 109 +0.15  4.5 +0.15  4.5 +0.14  4.5 +0.12  4.7
    • Teat length (1-9) 89 -0.33  5.7 -0.33  5.7 -0.28  5.7 -0.29  5.9
    • Teat thickness (1-9) 99 -0.03  5.7 -0.03  5.7 -0.03  5.3 -0.02  5.6
    • Teat placement (front) (1-9) 88 -0.31  4.8 -0.31  4.8 -0.33  5.4 -0.27  5.3
    • Teat placement (back) (1-9) 90 -0.25  5.5 -0.25  5.5 -0.26  6.0 -0.25  6.0
  • Milkability (g fat+protein/min) 84 -23.2  188      
  • Temperament (1-5 or 1-9) 106 +0.08  5.4 +0.08  5.4   +0.07  6.0
  • Longevity (days in production) 96 -23.0  917 -23.0  905 -24.3  977 -23.3  894
  • Youngstock survival 88        
    • Early period (heifers) (%) 93 -0.65  93.6 -0.66  93.9 -0.43  97.7 -0.51  95.5
    • Late period (heifers) (%) 87 -1.09  92.4 -1.10  92.7 -0.72  97.2 -1.08  91.7
    • Early period (bulls) (%) 94 -0.58  90.2 -0.62  89.3 -0.44  95.4 -0.36  95.9
    • Late period (bulls) (%) 89 -0.93  90.6 -1.03  89.4 -0.58  97.1 -0.50  97.0