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Table 1 Estimates of residual (\( {\sigma}_e^2 \)), and additive genetic (\( {\sigma}_a^2 \)) variancesa, common-environmental effect (c2), and heritability (h2) for vulva size traits by breed

From: Genetic and genomic characterization of vulva size traits in Yorkshire and Landrace gilts

TraitbLandraceYorkshire
\( {\sigma}_e^2 \)\( {\sigma}_a^2 \)c2h2\( {\sigma}_e^2 \)\( {\sigma}_a^2 \)c2h2
VA89,166.221,953.30.17 (0.05)0.16 (0.09)71,990.169,807.70.06 (0.03)0.46 (0.10)
VH30.511.20.10 (0.05)0.24 (0.11)20.127.10.04 (0.03)0.55 (0.10)
VW20.82.50.22 (0.06)0.08 (0.06)22.610.80.06 (0.03)0.31 (0.09)
  1. aExpressed as mm4 for VA, and mm2 for VH and VW;
  2. bVA vulva area, VH vulva height, VW vulva width