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. 2015 Sep 30;47:77. doi: 10.1186/s12711-015-0154-0

Table 1.

Estimated additive genetic variance (σ 2a), generation variance (σ 2gen), residual variance (σ 2e), heritability (h2) and standard error (in parenthesis) for trait feather pecking bouts using a Poisson model and a linear model

Model Line σ 2a σ 2gen σ 2e h2
Poisson HFP 2.760 (0.24) 0.27 (0.23)
LFP 1.430 (0.15) 0.35 (0.24)
Linear HFP 0.090 (0.04) 0.08 (0.05) 0.55 (0.04) 0.15 (0.07)
LFP 0.001 (0.01) 0.03 (0.02) 0.26 (0.02) 0.01 (0.03)