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Table 4 Selection accuracy (r) and regression of TBV on GWEBV and GWpEBV (b) over five generations for marker density 1Ne/M and the accuracy differences when a polygenic effect is included

From: Persistence of accuracy of genome-wide breeding values over generations when including a polygenic effect

 

Accuracy of selection

Regression of TBV on GWEBV

Generation

rGWEBVi) ± s.e

Δrii) ± s.e

bGWEBVi) ± s.e

Δbii) ± s.e

t = 1002

0.679

0.006

0.005

0.008

0.866

0.014

-0.016

0.013

t = 1003

0.610

0.009

0.011

0.012

0.794

0.017

0.056

0.026

t = 1004

0.565

0.013

0.010

0.013

0.732

0.015

0.088

0.023

t = 1005

0.535

0.013

0.007

0.015

0.701

0.016

0.089

0.024

t = 1006

0.518

0.012

0.013

0.013

0.684

0.016

0.101

0.025

  1. i)GWEBV represents the genome-wide estimated breeding value without polygenes
  2. ii)Δ represents the difference between genome-wide estimated breeding values including a polygenic effect (GWpEBV) and GWEBV (Δr = rGWpEBV - rGWEBV and Δb = bGWpEBV - bGWEBV)