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Table 4 Estimated heritability for each trait measured in each environment and genetic correlations considering the records of a given performance in both environments (France-Taiwan) as different traits within each line

From: Performance comparison of dwarf laying hens segregating for the naked neck gene in temperate and subtropical environments

Traits h2 in France h2 in Taiwan Genetic correlation between traits defined for each measurement in each environment
  Control line Selection line Control line Selection line Control line Selection line
Body weight at 16 weeks 0.51 ± 0.161 0.85 ± 0.15 0.64 ± 0.16 0.46 ± 0.12 0.44 ± 0.25 0.82 ± 0.13
Age at first egg 0.17 ± 0.11 0.49 ± 0.11 0.31 ± 0.14 0.42 ± 0.12 -0.45 ± 0.38 0.16 ± 0.16
Clutch length (trans.) 0.57 ± 0.11 0.20 ± 0.08 0.91 ± 0.13 0.12 ± 0.07 0.98 ± 0.06 0.49 ± 0.45
Egg number at 44 weeks (trans.) 0.49 ± 0.17 0.32 ± 0.12 0.37 ± 0.18 0.01 ± 0.03 0.48 ± 0.09 -0.10 ± 1.48
Laying rate 0.50 ± 0.18 0.27 ± 0.10 0.35 ± 0.16 0.07 ± 0.06 0.23 ± 0.09 0.14 ± 0.58
Adult body weight 0.52 ± 0.14 0.69 ± 0.14 0.38 ± 0.17 0.34 ± 0.13 0.34 ± 0.25 0.96 ± 0.05
Egg weight 0.39 ± 0.09 0.60 ± 0.10 0.18 ± 0.09 0.38 ± 0.10 0.42 ± 0.35 0.86 ± 0.13
  1. 1 asymptotic standard error