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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