Skip to main content

Table 4 Total genetic gain (σ g ) for various marker densities and levels of pre-selection for within-family selection

From: A low-marker density implementation of genomic selection in aquaculture using within-family genomic breeding values

Pre-selected

CONV

Marker density (markers per Morgan)

  

3

6

12

25

50

100

3%

 

1.71 (0.011)

1.74 (0.014)

1.75 (0.014)

1.77 (0.013)

1.78 (0.013)

1.80 (0.015)

10%

 

1.74 (0.013)

1.81 (0.010)

1.84 (0.013)

1.84 (0.012)

1.85 (0.011)

1.83 (0.011)

17%

 

1.74 (0.012)

1.82 (0.016)

1.84 (0.011)

1.88 (0.012)

1.89 (0.012)

1.91 (0.012)

20%

 

1.73 (0.013)

1.82 (0.011)

1.86 (0.012)

1.89 (0.012)

1.89 (0.014)

1.91 (0.011)

25%

 

1.75 (0.014)

1.83 (0.011)

1.84 (0.011)

1.90 (0.010)

1.89 (0.013)

1.90 (0.011)

50%

 

1.74 (0.012)

1.84 (0.010)

1.90 (0.013)

1.90 (0.011)

1.92 (0.015)

1.92 (0.015)

100%

1.67 (0.011)

1.77 (0.015)

1.84 (0.013)

1.88 (0.011)

1.91 (0.012)

1.92 (0.011)

1.95 (0.013)

  1. Selection was on a combination of conventional BLUP family breeding values and within family genomic breeding values (W-FAM) at different marker densities. Genetic gain obtained by the conventional breeding strategy (CONV) was included for comparison. Standard errors are given in parentheses.