Table 4.

Loadings of the variables included in the principal component analysis.

Item	Loading
EA score	0.928
Walking	0.780
Eating grass	0.775
Plumage score	0.732
Body lesions	−0.546
Rest	−0.546
Roost	−0.903
% Variance explained	58.3
Eigenvalue	4.082
Cronbach’s α	0.738

EA score, explorative aptitude score.