From: Plumage condition in laying hens: genetic parameters for direct and indirect effects in two purebred layer lines
Region
Neck
Back
Rump
Belly
0.81 ± 0.13
NC1
0.52 ± 0.24
>0.99
0.34 ± 0.25
0.87 ± 0.07
0.95 ± 0.04
0.70 ± 0.24
0.85 ± 0.13
0.72 ± 0.15
0.46 ± 0.19