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. 2016 Sep 20;48:69. doi: 10.1186/s12711-016-0248-3

Table 2.

Average genetic variance and average effective population sizes (based on individual increases in inbreeding, N e, and increases in coancestry, N ec) in the last generation before and after selection of the best 20 % of individuals for six scenarios and a heritability of 0.25

Scenario A B C D E F
Before selection
Genetic variance 0.60 ± 0.00 1.96 ± 0.00 1.92 ± 0.00 1.24 ± 0.01 1.22 ± 0.01 0.76 ± 0.00
N e 100.33 ± 1.27 2.61 ± 0.00 3.19 ± 0.13 24.29 ± 20.82 50.00 ± 0.00 193.15 ± 2.30
N ec 100.49 ± 0.88 258.60 ± 0.00 122.28 ± 3.86 111.76 ± 13.72 187.79 ± 1.85 194.26 ± 0.18
After selection
Genetic variance 0.44 ± 0.01 0.67 ± 0.04 0.63 ± 0.05 0.50 ± 0.09 0.50 ± 0.08 0.56 ± 0.02
N e 71.46 ± 3.03 159.82 ± 28.68 140.21 ± 26.26 91.30 ± 21.58 89.07 ± 20.98 105.83 ± 5.26
N ec 70.12 ± 2.69 151.33 ± 23.85 133.66 ± 24.43 88.62 ± 20.11 86.20 ± 19.24 102.66 ± 5.00

A random scenario, B full-sib scenario, C maximum variance total scenario, D maximum variance total limiting the increase in average inbreeding scenario, E maximum variance total limiting the average individual increase in inbreeding scenario, F minimum coancestry scenario