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Authors:
Gunnarsson, S
Yngvesson, J
Keeling, LJ
Forkman, B
Citation: S. Gunnarsson et al., Rearing without early access to perches impairs the spatial skills of laying hens, APPL ANIM B, 67(3), 2000, pp. 217-228
Citation: M. Haskell et al., Frustration-induced aggression in the domestic hen: The effect of thwarting access to food and water on aggressive responses and subsequent approach tendencies, BEHAVIOUR, 137, 2000, pp. 531-546