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B Rocket
NTM
-42
Born
10/15/1998
Breeder
Owens Farms Inc
Evaluation
Jersey
International ID
JERUSAM000110437084
Herdbook number
DNK 302514
Trait # Daughters # Herds
Yield 49 28
Udder health 35 28
Conformation 31 20
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Breed proportions
Breed
%
USJ
100
Sire
Barber
JERUSAM000000654500
PGS
H M Duncan
JERUSAM000000635862
PGD
WF/L&M Chief Barb-ET
JERUSAF000003453823
Dam
O F Berretta Rebekah
JERUSAF000003889474
MGS
M Berretta
JERUSAM000000651835
MGD

JERUSAF000003637731
MGDS
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Show genetic traits
Show phenotypic values
Evaluation published 01.09.2026
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  • Trait Current evaluation 70 80 90 100 110 120 130 Reliability Contribution to NTM Index type Previous evaluation
Evaluation published 01.09.2026
  • Trait Breeding value NAV Countries
    Bull effect Average     Comment
  • Yield 70        
    • Milk (305-d, kg) 104 +114.6  7828 +114.2  7920 +125.7  7825 +128.7  7416
    • Fat (305-d, kg) 71 -30.6  466 -30.4  462 -36.9  423 -33.8  444
    • Protein (305-d, kg) 84 -13.7  342 -13.6  341 -14.5  305 -15.1  313
    • Breeding values not in NTM        
      • Fat-% (average in 305-d) 79 -0.53  6.0 -0.53  5.9 -0.92  5.5 -0.60  6.0
      • Protein-% (average in 305-d) 73 -0.25  4.4 -0.25  4.3 -0.43  3.9 -0.30  4.2
  • Growth 92        
    • Daily carcass gain 99        
      • Short fattening period (g/day)   418   420     428
      • Long fattening period (g/day)   Not available in Denmark      
    • Carcass conformation score (1-15) 90 -0.11  3.2 -0.11  3.1   -0.08  4.3
  • Fertility 112        
    • Interval from calving to first insemination (cows) (days) 122 -4.2  81 -4.2  81 -4.1  85 -4.6  85
    • Interval from first to last insemination (heifers) (days) 96 +0.6  24 +0.6  24 +0.7  35 +0.6  30
    • Interval from first to last insemination (cows) (days) 113 -3.7  35 -3.7  35 -4.2  46 -4.4  49
    • Number of inseminations (heifers) 108 -0.03  1.6 -0.03  1.6 -0.03  1.8 -0.03  1.6
    • Number of inseminations (cows) 110 -0.06  1.8 -0.06  1.8 -0.06  1.9 -0.06  1.8
  • Birth 97        
    • Survival (sire) (%)        
    • 1st lactation 99 -0.03  94.2 -0.03  94.3 -0.04  90.4 -0.03  94.0
    • 2nd and later lactations 95 -0.04  96.9 -0.04  96.9 -0.04  96.7 -0.03  97.7
    • Calving ease (sire) (%)        
    • 1st lactation 96 -0.095  93.79 -0.095  93.86 -0.166  87.02 -0.099  93.51
    • 2nd and later lactations 99 -0.011  96.24 -0.011  96.20 -0.014  94.84 -0.007  97.79
  • Calving 86        
    • Survival (maternal) (%)        
    • 1st lactation 90 -0.28  94.3 -0.27  94.3 -0.36  91.9 -0.28  94.2
    • 2nd and later lactations 87 -0.09  97.0 -0.09  96.9 -0.09  97.2 -0.07  97.8
    • Calving ease (maternal) (%)        
    • 1st lactation 84 -0.503  93.80 -0.499  93.85 -0.787  88.82 -0.510  93.68
    • 2nd and later lactations 94 -0.063  96.25 -0.064  96.20 -0.071  95.67 -0.039  97.88
  • Udder health (%) 81 +4.84  9.4 +4.84  9.4    
  • General health 79        
    • Early reproductive disorders (%) +0.50  2.7 +0.50  2.6    
    • Late reproductive disorders (%) +0.21  3.2 +0.21  3.4    
    • Ketosis (%) +0.27  1.3 +0.27  1.3    
    • Other metabolic diseases (%) +2.60  12.0 +2.60  12.1    
    • Feet and leg problems (%) +2.35  10.7 +2.35  13.3    
  • Claw health          
    • Sole ulcer (p)   0.09   0.10   0.06   0.04
    • Sole hemorrhage (p)   0.17   0.17   0.09   0.12
    • Heel horn erosion (p)   0.06   0.06   0.04   0.05
    • Digital dermatitis + interdigital Dermatitis (p)   0.11   0.11   0.05   0.10
    • Verrucose dermatitis + Interdigital Hyperplasia (p)   0.01   0.01   0.01   0.01
    • Double sole + white line separation (p)   0.06   0.07   0.06   0.03
    • Cork screw claw (p)   0.13   0.13   0.03   0.03
  • Frame 119        
    • Stature (cm) 95 -0.36  131.6 -0.36  131.7 -0.43  134.2 -0.37  131.0
    • Body depth (1-9) 124 +0.32  6.5 +0.32  6.6 +0.41  6.1 +0.31  6.4
    • Chest width (1-9) 104 +0.05  5.4 +0.05  5.4 +0.06  5.6 +0.04  5.6
    • Rib structure (1-9) 105 +0.07  5.6 +0.07  5.6 +0.09  5.7 +0.07  5.8
    • Top line (1-9) 96 -0.06  6.1 -0.06  6.1 -0.07  5.6 -0.06  5.9
    • Rump width (1-9) 114 +0.27  5.4 +0.27  5.4 +0.37  4.4 +0.26  5.2
    • Rump angle (1-9) 93 -0.18  4.9 -0.18  4.9 -0.19  4.4 -0.17  4.6
  • Feet & legs 85        
    • Rear legs, side view (1-9) 109 +0.11  5.4 +0.11  5.4 +0.12  4.9 +0.09  5.3
    • Rear legs, rear view (1-9) 101 +0.01  5.9 +0.01  5.9 +0.01  6.0 +0.01  6.2
    • Hock quality (1-9) 90 -0.11  5.7 -0.11  5.7 -0.13  6.8 -0.10  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) 86 -0.14  4.4 -0.14  4.4 -0.18  4.3 -0.16  4.5
  • Udder 83        
    • Fore udder attachment (1-9) 91 -0.20  4.9 -0.20  4.9 -0.22  5.4 -0.19  5.3
    • Rear udder height (1-9) 93 -0.16  5.7 -0.16  5.7 -0.14  5.8 -0.12  6.1
    • Rear udder width (1-9) 95 -0.10  5.7 -0.10  5.7 -0.11  5.7 -0.10  5.9
    • Udder cleft (1-9) 89 -0.22  4.8 -0.22  4.8 -0.20  5.0 -0.19  5.2
    • Udder depth (1-9) 79 -0.53  4.2 -0.53  4.1 -0.55  4.4 -0.51  4.4
    • Udder balance (1-9) 111 +0.18  4.5 +0.19  4.5 +0.17  4.5 +0.15  4.7
    • Teat length (1-9) 95 -0.15  5.7 -0.15  5.7 -0.13  5.7 -0.13  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) 91 -0.23  4.8 -0.24  4.8 -0.25  5.4 -0.20  5.3
    • Teat placement (back) (1-9) 94 -0.15  5.5 -0.15  5.5 -0.16  6.0 -0.15  6.0
  • Milkability (g fat+protein/min) 75 -36.2  188      
  • Temperament (1-5 or 1-9) 112 +0.15  5.4 +0.15  5.4   +0.14  6.0
  • Longevity (days in production) 82 -103.6  917 -103.6  905 -109.3  977 -105.0  894
  • Youngstock survival 92        
    • Early period (heifers) (%) 87 -1.21  93.6 -1.23  93.9 -0.79  97.7 -0.94  95.5
    • Late period (heifers) (%) 98 -0.17  92.4 -0.17  92.7 -0.11  97.2 -0.17  91.7
    • Early period (bulls) (%) 93 -0.68  90.2 -0.73  89.3 -0.51  95.4 -0.41  95.9
    • Late period (bulls) (%) 102 +0.17  90.6 +0.19  89.4 +0.11  97.1 +0.09  97.0
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