JAS Byg
NTM
-29
Born
20/04/1988
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 07.10.2025
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  • Trait Current evaluation 70 80 90 100 110 120 130 Reliability Contribution to NTM Index type Previous evaluation
Evaluation published 07.10.2025
  • Trait Breeding value NAV Countries
    Bull effect Average
    Comment
  • Yield 69        
    • Milk (305-d, kg) 72 -802.1  7751 -800.0  7837 -865.0  7665 -874.0  7435
    • Fat (305-d, kg) 76 -25.3  460 -25.2  456 -31.6  419 -28.3  445
    • Protein (305-d, kg) 64 -30.8  335 -30.7  334 -35.1  301 -34.1  315
    • Breeding values not in NTM        
      • Fat-% (average in 305-d) 117 +0.43  6.0 +0.43  5.9 +0.71  5.5 +0.51  6.0
      • Protein-% (average in 305-d) 108 +0.07  4.3 +0.07  4.3 +0.14  3.9 +0.10  4.2
  • Growth 88        
    • Daily carcass gain        
      • Short fattening period (g/day)   421   424     424
      • Long fattening period (g/day)   Not available in Denmark      
    • Carcass conformation score (1-15)   3.3   3.2     4.4
  • Fertility 95        
    • Interval from calving to first insemination (cows) (days) 96 +0.8  81 +0.8  81 +0.7  85 +0.8  85
    • Interval from first to last insemination (heifers) (days) 99 +0.1  23 +0.1  23 +0.2  35 +0.2  31
    • Interval from first to last insemination (cows) (days) 93 +2.0  35 +2.0  36 +2.2  42 +2.3  48
    • Number of inseminations (heifers) 105 -0.02  1.6 -0.02  1.6 -0.02  1.7 -0.02  1.6
    • Number of inseminations (cows) 99 +0.01  1.8 +0.01  1.8 +0.01  1.9 +0.01  1.7
  • Birth 100        
    • Survival (sire) (%)        
    • 1st lactation 99 -0.03  94.7 -0.03  94.8 -0.05  88.9 -0.03  94.5
    • 2nd and later lactations 113 +0.09  97.3 +0.09  97.3 +0.12  96.4 +0.08  97.7
    • Calving ease (sire) (%)        
    • 1st lactation 72 -0.571  94.90 -0.561  95.01 -1.175  86.78 -0.722  93.14
    • 2nd and later lactations 93 -0.066  96.80 -0.067  96.78 -0.083  95.80 -0.049  97.80
  • Calving 87        
    • Survival (maternal) (%)        
    • 1st lactation 89 -0.28  94.8 -0.28  94.8 -0.44  90.7 -0.29  94.7
    • 2nd and later lactations 84 -0.10  97.3 -0.10  97.3 -0.11  97.0 -0.09  97.8
    • Calving ease (maternal) (%)        
    • 1st lactation 92 -0.215  94.90 -0.212  95.00 -0.396  88.74 -0.266  93.32
    • 2nd and later lactations 98 -0.019  96.80 -0.019  96.78 -0.020  96.52 -0.013  97.88
  • Udder health (%) 108 -2.04  9.7 -2.04  9.7    
  • General health 112        
    • Early reproductive disorders (%) 102 -0.06  2.6 -0.06  2.6    
    • Late reproductive disorders (%) 105 -0.08  3.2 -0.08  3.6    
    • Ketosis (%) 110 -0.19  1.4 -0.19  1.4    
    • Other metabolic diseases (%) 120 -2.77  13.0 -2.77  13.3    
    • Feet and leg problems (%) 95 +0.88  9.4 +0.88  14.3    
  • Claw health 103        
    • Sole ulcer (p) 110 -0.010  0.09 -0.011  0.09 -0.007  0.06 -0.007  0.04
    • Sole hemorrhage (p) 111 -0.008  0.16 -0.008  0.16 -0.005  0.07 -0.008  0.14
    • 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) 95 +0.011  0.11 +0.011  0.11 +0.008  0.03 +0.014  0.10
    • Verrucose dermatitis + Interdigital Hyperplasia (p) 84 +0.003  0.01 +0.003  0.01 +0.003  0.01 +0.003  0.01
    • Double sole + white line separation (p) 103 0.000  0.06 0.000  0.06 0.000  0.05 0.000  0.02
    • Cork screw claw (p) 99 0.000  0.10 0.000  0.10 0.000  0.03 0.000  0.03
  • Frame 98        
    • Stature (cm) 84 -1.16  131.2 -1.16  131.3 -1.59  134.8 -1.16  130.9
    • Body depth (1-9) 115 +0.20  6.5 +0.20  6.6 +0.23  6.1 +0.18  6.3
    • Chest width (1-9) 103 +0.03  5.4 +0.03  5.5 +0.04  5.6 +0.03  5.4
    • Rib structure (1-9) 99 -0.01  5.3 -0.01  5.3 -0.02  5.4 -0.02  5.6
    • Top line (1-9) 87 -0.19  6.0 -0.19  6.0 -0.21  5.6 -0.18  5.9
    • Rump width (1-9) 99 -0.02  5.3 -0.02  5.4 -0.03  4.3 -0.02  5.2
    • Rump angle (1-9) 107 +0.18  5.0 +0.18  5.0 +0.18  4.4 +0.17  4.6
  • Feet & legs 83        
    • Rear legs, side view (1-9) 112 +0.15  5.4 +0.15  5.4 +0.17  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  5.6 -0.28  6.8 -0.22  6.1
    • Bone quality (1-9) 94 -0.06  6.5 -0.06  6.4 -0.07  7.6 -0.06  7.0
    • Foot angle (1-9) 102 +0.02  4.4 +0.02  4.4 +0.03  4.2 +0.02  4.5
  • Udder 83        
    • Fore udder attachment (1-9) 82 -0.41  5.0 -0.41  5.0 -0.44  5.4 -0.39  5.2
    • Rear udder height (1-9) 83 -0.38  5.6 -0.38  5.6 -0.36  5.8 -0.30  6.0
    • Rear udder width (1-9) 92 -0.16  5.6 -0.16  5.7 -0.17  5.8 -0.15  5.9
    • Udder cleft (1-9) 102 +0.04  4.8 +0.04  4.8 +0.04  5.0 +0.03  5.1
    • Udder depth (1-9) 83 -0.43  4.1 -0.43  4.0 -0.43  4.4 -0.42  4.4
    • Udder balance (1-9) 109 +0.15  4.5 +0.15  4.6 +0.13  4.6 +0.12  4.7
    • Teat length (1-9) 90 -0.30  5.6 -0.30  5.7 -0.25  5.7 -0.26  5.9
    • Teat thickness (1-9) 99 -0.03  5.6 -0.03  5.6 -0.03  5.2 -0.02  5.5
    • Teat placement (front) (1-9) 89 -0.29  4.8 -0.29  4.8 -0.30  5.4 -0.24  5.2
    • Teat placement (back) (1-9) 91 -0.23  5.5 -0.23  5.6 -0.24  6.0 -0.23  5.9
  • Milkability (g fat+protein/min) 84 -22.1  192      
  • Temperament (1-5 or 1-9) 104 +0.05  5.4 +0.05  5.4   +0.05  6.0
  • Longevity (days in production) 97 -17.3  926 -17.2  912 -19.2  928 -17.9  879
  • Youngstock survival 89        
    • Early period (heifers) (%) 94 -0.56  94.3 -0.56  94.6 -0.39  97.6 -0.45  95.5
    • Late period (heifers) (%) 88 -1.01  92.5 -1.02  92.8 -0.69  97.1 -0.91  93.2
    • Early period (bulls) (%) 94 -0.58  90.9 -0.62  90.3 -0.45  95.4 -0.34  96.5
    • Late period (bulls) (%) 90 -0.85  90.8 -0.95  89.6 -0.47  97.8 -0.41  97.7