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Table 5 Expected total genetic superiority (ΔG) and additive genetic gain (ΔU) with selection on total genetic value ( g ^ ) or breeding value ( u ^ )

From: Genomic analysis of dominance effects on milk production and conformation traits in Fleckvieh cattle

  ΔG ΔU
  absolute (kg) relative to SD absolute (kg) relative to SD
Milk yield     
Selection on g ^ 165.2 1.01 137.7 0.85
Selection on u ^ 143.8 0.88 143.8 0.89
Protein yield     
Selection on g ^ 4.15 1.01 3.09 0.74
Selection on u ^ 3.24 0.79 3.16 0.76
  1. Expected total genetic superiority (ΔG) and expected additive genetic gain (ΔU) for the alternative selection criteria total genetic value ( g ^ ) and breeding value ( u ^ ) in absolute value (kg) and relative to the standard deviations (SD) of g ^ and u ^ of all possible matings; the maximum number of matings per bull was restricted to 200.