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Table 3 Realized genetic selection intensitya when selecting on true breeding value (BV) or different types of estimates of breeding values (EBV)b by proportion selected, scenario, and generation

From: Reliability of pedigree-based and genomic evaluations in selected populations

 

Proportion selected = 50 %

Proportion selected = 2 %

 

BV

EBVP

EBVP &Y

EBVM

BV

EBVP

EBVP &Y

EBVM

Generationc: random selection

20f

0.730.04

0.190.05

0.240.06

/

2.200.19

0.600.21

0.750.19

/

20m

0.740.04

0.190.05

0.550.04

0.620.04

2.230.17

0.550.25

1.670.16

1.900.15

21

0.750.04

0.220.04

/

0.540.04

2.230.21

0.600.22

/

1.650.19

22

0.760.03

0.090.02

/

0.480.03

2.240.18

0.270.09

/

1.450.13

23

0.730.04

0.050.03

/

0.440.05

2.210.28

0.130.11

/

1.350.26

24

0.730.06

0.020.01

/

0.410.05

2.160.15

0.070.06

/

1.220.16

25

0.740.04

0.010.01

/

0.420.03

2.170.15

0.030.06

/

1.270.14

Generationc: BLUP selection

20f

0.610.02

0.020.01

0.080.01

/

1.840.10

0.090.03

0.260.08

/

20m

0.620.02

0.020.01

0.410.02

0.510.02

1.870.11

0.100.07

1.260.06

1.560.09

21

0.600.03

0.020.01

/

0.380.03

1.870.17

0.080.06

/

1.220.14

22

0.610.02

0.000.01

/

0.380.02

1.830.10

0.010.04

/

1.180.14

23

0.590.03

0.000.01

/

0.370.03

1.800.14

−0.010.02

/

1.110.11

24

0.580.02

0.000.01

/

0.360.03

1.730.12

0.000.01

/

1.060.17

25

0.580.02

0.000.01

/

0.340.02

1.740.12

0.000.02

/

1.030.17

  1. aAverage and standard error (as subscript)
  2. bEBVP = estimates of breeding value based on pedigree information; EBVP &Y = estimates of breeding value based on pedigree and phenotype information, EBVM = estimates of breeding value based on marker information (in generation 20 estimates of breeding value are based on marker and phenotype information, i.e., EBVM &Y)
  3. cin generation 20 the results are presented separately for females (f) and males (m), because males have own performance records, whereas females do not