JAS Byg
NTM
-30
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 11634 2311
Conformation 1762 243
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Breed proportions
Breed
%
JER
86
NZJ
11
USJ
3
Evaluation published 03.02.2026
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  • Trait Current evaluation 70 80 90 100 110 120 130 Reliability Contribution to NTM Index type Previous evaluation
Evaluation published 03.02.2026
  • Trait Breeding value NAV Countries
    Bull effect Average
    Comment
  • Yield 69        
    • Milk (305-d, kg) 72 -802.1  7778 -800.5  7877 -828.6  7770 -870.3  7378
    • Fat (305-d, kg) 75 -26.3  463 -26.2  459 -30.5  427 -29.2  441
    • Protein (305-d, kg) 64 -30.8  339 -30.7  338 -31.0  307 -34.1  312
    • Breeding values not in NTM        
      • Fat-% (average in 305-d) 117 +0.43  6.0 +0.43  5.9 +0.71  5.5 +0.49  6.0
      • Protein-% (average in 305-d) 107 +0.07  4.4 +0.06  4.3 +0.10  4.0 +0.08  4.2
  • Growth 88        
    • Daily carcass gain        
      • Short fattening period (g/day)   417   417     427
      • Long fattening period (g/day)   Not available in Denmark      
    • Carcass conformation score (1-15)   3.2   3.1     4.3
  • Fertility 95        
    • 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) 99 +0.1  24 +0.1  23 +0.2  35 +0.2  30
    • Interval from first to last insemination (cows) (days) 93 +2.0  35 +2.0  35 +2.2  45 +2.4  52
    • 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 100        
    • Survival (sire) (%)        
    • 1st lactation 99 -0.03  94.2 -0.03  94.3 -0.05  89.5 -0.03  94.1
    • 2nd and later lactations 113 +0.10  97.0 +0.10  97.0 +0.11  96.6 +0.08  97.8
    • Calving ease (sire) (%)        
    • 1st lactation 72 -0.648  94.02 -0.640  94.12 -1.236  85.78 -0.723  93.13
    • 2nd and later lactations 94 -0.066  96.18 -0.066  96.13 -0.077  95.35 -0.038  98.03
  • Calving 86        
    • Survival (maternal) (%)        
    • 1st lactation 88 -0.33  94.3 -0.33  94.3 -0.46  91.2 -0.33  94.3
    • 2nd and later lactations 84 -0.11  97.0 -0.11  97.0 -0.11  97.1 -0.08  97.9
    • Calving ease (maternal) (%)        
    • 1st lactation 92 -0.244  94.03 -0.241  94.11 -0.421  87.73 -0.267  93.30
    • 2nd and later lactations 98 -0.021  96.19 -0.022  96.13 -0.022  96.12 -0.012  98.11
  • Udder health (%) 107 -1.78  9.5 -1.78  9.5    
  • General health 113        
    • Early reproductive disorders (%) 103 -0.09  2.7 -0.09  2.7    
    • Late reproductive disorders (%) 107 -0.11  3.2 -0.11  3.4    
    • Ketosis (%) 109 -0.16  1.4 -0.16  1.4    
    • Other metabolic diseases (%) 122 -2.83  12.3 -2.83  12.4    
    • Feet and leg problems (%) 96 +0.72  10.0 +0.72  12.6    
  • Claw health 102        
    • Sole ulcer (p) 109 -0.009  0.09 -0.010  0.09 -0.007  0.06 -0.006  0.04
    • Sole hemorrhage (p) 109 -0.007  0.16 -0.007  0.16 -0.005  0.09 -0.006  0.13
    • 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) 94 +0.013  0.11 +0.013  0.11 +0.010  0.04 +0.018  0.10
    • Verrucose dermatitis + Interdigital Hyperplasia (p) 84 +0.003  0.01 +0.003  0.01 +0.003  0.01 +0.004  0.01
    • Double sole + white line separation (p) 102 0.000  0.06 0.000  0.07 0.000  0.06 0.000  0.03
    • Cork screw claw (p) 100 0.000  0.11 0.000  0.12 0.000  0.03 0.000  0.02
  • Frame 97        
    • Stature (cm) 83 -1.24  131.5 -1.23  131.6 -1.63  134.6 -1.25  130.9
    • Body depth (1-9) 115 +0.20  6.5 +0.20  6.6 +0.24  6.1 +0.19  6.4
    • Chest width (1-9) 103 +0.03  5.4 +0.03  5.5 +0.04  5.7 +0.03  5.5
    • Rib structure (1-9) 99 -0.01  5.5 -0.01  5.5 -0.02  5.6 -0.01  5.8
    • Top line (1-9) 87 -0.19  6.1 -0.19  6.1 -0.21  5.7 -0.19  5.9
    • Rump width (1-9) 99 -0.02  5.4 -0.02  5.4 -0.03  4.4 -0.02  5.2
    • Rump angle (1-9) 108 +0.20  4.9 +0.20  5.0 +0.21  4.4 +0.20  4.6
  • Feet & legs 83        
    • 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) 94 -0.07  5.9 -0.07  5.9 -0.08  6.0 -0.07  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) 94 -0.06  6.5 -0.06  6.5 -0.07  7.6 -0.06  7.1
    • Foot angle (1-9) 101 +0.01  4.4 +0.01  4.4 +0.01  4.2 +0.01  4.5
  • Udder 82        
    • Fore udder attachment (1-9) 81 -0.43  4.9 -0.43  4.9 -0.45  5.4 -0.40  5.2
    • Rear udder height (1-9) 82 -0.40  5.6 -0.41  5.6 -0.36  5.8 -0.31  6.0
    • 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 +0.03  5.2
    • Udder depth (1-9) 82 -0.46  4.1 -0.46  4.1 -0.45  4.4 -0.44  4.4
    • Udder balance (1-9) 109 +0.15  4.5 +0.15  4.5 +0.14  4.6 +0.12  4.7
    • Teat length (1-9) 89 -0.33  5.7 -0.33  5.7 -0.29  5.7 -0.29  5.9
    • Teat thickness (1-9) 99 -0.03  5.6 -0.03  5.7 -0.03  5.2 -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 -22.1  192      
  • 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  918 -23.0  904 -25.0  943 -23.7  896
  • Youngstock survival 89        
    • Early period (heifers) (%) 93 -0.65  93.7 -0.66  94.0 -0.44  97.6 -0.54  95.1
    • Late period (heifers) (%) 87 -1.09  92.4 -1.10  92.8 -0.72  97.2 -1.07  91.8
    • Early period (bulls) (%) 94 -0.58  90.2 -0.63  89.3 -0.42  95.9 -0.33  96.5
    • Late period (bulls) (%) 89 -0.93  90.6 -1.03  89.5 -0.57  97.3 -0.49  97.2