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O Tong
NTM
-65
Born
1/23/1983
Breeder
Ronald Opperman
Evaluation
Holstein
International ID
HOLUSAM000001918191
Herdbook number
FIN 92296
SWE 99186
DNK 225603
Trait # Daughters # Herds
Yield 2115 1002
Udder health 2372 1363
Conformation 936 387
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Breed proportions
Breed
%
HOL
100
Sire
Mars
HOLUSAM000001626813
PGS
Elevation
HOLUSAM000001491007
PGD
MARSHFIELD ADMIRAL TONIA
HOLUSAF000006467834
Dam
OPPERMAN CHIEF AMY SHELSEA
HOLUSAF000009115116
MGS
Arli Chief
HOLUSAM000001427381
MGD

HOLUSAF000007846705
MGDS
Astronaut
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Evaluation published 02.06.2026
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  • Trait Current evaluation 70 80 90 100 110 120 130 Reliability Contribution to NTM Index type Previous evaluation
Evaluation published 02.06.2026
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  • Trait Breeding value NAV Countries
    Bull effect Average     Comment Denmark
    Bull effect Average     Finland
    Bull effect Average     Sweden
    Bull effect Average
  • Yield 53        
    • Milk (305-d, kg) 78 -721.8  11758 -729.4  11996 -663.0  11104 -742.6  11845
    • Fat (305-d, kg) 64 -44.9  487 -43.6  486 -48.0  476 -47.2  490
    • Protein (305-d, kg) 53 -47.0  416 -46.5  422 -47.8  386 -48.2  417
    • Breeding values not in NTM        
      • Fat-% (average in 305-d) 86 -0.22  4.2 -0.21  4.1 -0.26  4.3 -0.23  4.2
      • Protein-% (average in 305-d) 64 -0.26  3.6 Notable differences between countries -0.24  3.5 -0.35  3.5 -0.27  3.5
  • Growth 92        
    • Daily carcass gain 73        
      • Short fattening period (g/day)   587   591   563   562
      • Long fattening period (g/day)   533 Not available in Denmark     552   501
    • Carcass conformation score (1-15) 110 +0.18  4.0 +0.17  3.5 +0.19  4.3 +0.20  4.5
  • Fertility 89        
    • Interval from calving to first insemination (cows) (days) 74 +7.5  81 +7.2  81 +7.3  82 +8.4  84
    • Interval from first to last insemination (heifers) (days) 97 +0.5  22 +0.5  21 +0.5  23 +0.5  23
    • Interval from first to last insemination (cows) (days) 88 +4.9  43 +4.8  41 +5.0  45 +5.1  46
    • Number of inseminations (heifers) 104 -0.02  1.6 -0.02  1.6 -0.02  1.6 -0.02  1.5
    • Number of inseminations (cows) 102 -0.01  2.0 -0.01  2.0 -0.01  2.0 -0.01  1.9
  • Birth 118        
    • Survival (sire) (%)        
    • 1st lactation 119 +0.56  96.0 Notable differences between countries +0.57  96.0 +0.72  94.7 +0.41  97.3
    • 2nd and later lactations 117 +0.11  98.0 Notable differences between countries +0.11  98.0 +0.13  97.4 +0.08  98.6
    • Calving ease (sire) (%)        
    • 1st lactation 110 +1.215  91.15 Notable differences between countries +1.221  91.09 +1.740  85.70 +0.833  94.48
    • 2nd and later lactations 105 +0.272  94.58 Notable differences between countries +0.296  93.96 +0.307  93.69 +0.181  96.69
  • Calving 85        
    • Survival (maternal) (%)        
    • 1st lactation 88 -0.45  96.0 Notable differences between countries -0.45  96.0 -0.57  94.7 -0.32  97.3
    • 2nd and later lactations 86 -0.08  98.0 Notable differences between countries -0.08  98.0 -0.10  97.4 -0.06  98.6
    • Calving ease (maternal) (%)        
    • 1st lactation 83 -1.760  91.15 Notable differences between countries -1.786  90.98 -2.473  86.03 -1.189  94.59
    • 2nd and later lactations 83 -0.631  94.58 Notable differences between countries -0.694  93.90 -0.701  93.82 -0.415  96.74
  • Udder health (%) 90 +2.68  6.4 Notable differences between countries +2.91  8.5 +2.76  6.2 +1.88  2.7
  • General health 79        
    • Early reproductive disorders (%) +1.17  5.2 Notable differences between countries +1.33  6.5 +1.01  3.5 +0.43  0.6
    • Late reproductive disorders (%) +0.57  6.3 Notable differences between countries +0.44  3.0 +0.99  17.2 +0.46  3.2
    • Ketosis (%) +0.19  1.1 Notable differences between countries +0.22  1.5 +0.15  0.5 +0.06  0.1
    • Other metabolic diseases (%) +1.02  5.4 Notable differences between countries +1.16  6.9 +0.84  3.2 +0.47  1.1
    • Feet and leg problems (%) +1.11  7.0 Notable differences between countries +1.37  12.7 +0.61  0.7 +0.54  1.2
  • Claw health        
    • Sole ulcer (p)   0.04 Notable differences between countries   0.06   0.04   0.03
    • Sole hemorrhage (p)   0.23 Notable differences between countries   0.35   0.09   0.13
    • Heel horn erosion (p)   0.15 Notable differences between countries   0.25   0.10   0.06
    • Digital dermatitis + interdigital Dermatitis (p)   0.19 Notable differences between countries   0.23   0.08   0.19
    • Verrucose dermatitis + Interdigital Hyperplasia (p)   0.03 Notable differences between countries   0.04   0.02   0.04
    • Double sole + white line separation (p)   0.07 Notable differences between countries   0.09   0.08   0.02
    • Cork screw claw (p)   0.09 Notable differences between countries   0.14   0.02   0.02
  • Frame 74        
    • Stature (cm) 67 -3.53  152.4 -3.64  152.5 -3.72  152.0 -3.08  152.4
    • Body depth (1-9) 103 +0.05  6.5 +0.05  6.6 +0.06  6.3 +0.04  6.5
    • Chest width (1-9) 93 -0.10  5.6 Notable differences between countries -0.10  5.6 -0.12  5.6 -0.08  5.7
    • Rib structure (1-9) 91 -0.15  5.9 -0.16  5.9 -0.17  5.7 -0.13  6.1
    • Top line (1-9) 82 -0.28  6.6 Notable differences between countries -0.28  6.6 -0.35  6.5 -0.22  6.7
    • Rump width (1-9) 68 -0.54  5.8 Notable differences between countries -0.52  5.8 -0.69  6.0 -0.44  5.7
    • Rump angle (1-9) 88 -0.28  4.7 Notable differences between countries -0.25  4.8 -0.35  4.6 -0.25  4.8
  • Feet & legs 94        
    • Rear legs, side view (1-9) 100 0.00  5.1 0.00  5.0 0.00  5.1 0.00  5.2
    • Rear legs, rear view (1-9) 93 -0.09  6.0 -0.09  6.0 -0.11  5.7 -0.08  6.2
    • Hock quality (1-9) 100 0.00  5.8 0.00  5.8 0.00  5.8 0.00  5.6
    • Bone quality (1-9) 94 -0.09  6.4 -0.08  6.3 -0.11  6.2 -0.08  6.6
    • Foot angle (1-9) 98 -0.02  5.0 -0.02  5.0 -0.02  4.9 -0.02  5.2
  • Udder 64        
    • Fore udder attachment (1-9) 72 -0.55  5.2 -0.60  5.1 -0.53  5.2 -0.46  5.2
    • Rear udder height (1-9) 82 -0.27  6.1 -0.29  6.0 -0.27  6.0 -0.22  6.2
    • Rear udder width (1-9) 79 -0.41  6.1 -0.41  6.3 -0.44  5.8 -0.38  6.1
    • Udder cleft (1-9) 102 +0.04  5.8 +0.04  5.8 +0.04  5.7 +0.03  6.0
    • Udder depth (1-9) 59 -1.13  5.5 -1.14  5.3 -1.19  5.8 -1.04  5.7
    • Udder balance (1-9) 89 -0.15  5.4 -0.15  5.3 -0.18  5.4 -0.13  5.4
    • Teat length (1-9) 99 -0.03  5.5 -0.04  5.4 -0.03  5.5 -0.03  5.6
    • Teat thickness (1-9) 93 -0.15  5.4 -0.16  5.5 -0.15  5.2 -0.12  5.4
    • Teat placement (front) (1-9) 83 -0.51  5.7 -0.53  5.6 -0.53  5.6 -0.43  5.7
    • Teat placement (back) (1-9) 94 -0.17  6.7 -0.18  6.4 -0.17  6.9 -0.15  6.9
  • Milkability (g fat+protein/min) 82 -29.2  206 Only available on Nordic level      
  • Temperament (1-5 or 1-9) 67   Different national scales -0.78  5.4 -0.38  3.2 -0.56  5.5
  • Longevity (days in production) 78 -123.3  920 -123.7  864 -128.6  1055 -118.4  931
  • Youngstock survival 85        
    • Early period (heifers) (%) 93 -0.28  96.9 -0.30  96.4 -0.24  97.6 -0.25  97.6
    • Late period (heifers) (%) 82 -0.99  95.7 -1.01  95.5 -0.85  96.8 -1.06  95.2
    • Early period (bulls) (%) 96 -0.15  95.1 Notable differences between countries -0.17  94.2 -0.15  94.9 -0.11  97.5
    • Late period (bulls) (%) 85 -1.37  96.1 -1.52  95.3 -1.22  96.8 -1.11  97.7
Nordic Cattle Genetic Evaluation Landbrug & Fødevarer FABA VÄXA Sverige