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Author (up) Title Year Publication Serial Volume Pages
Petherick, J.C.; Seawright, E.; Waddington, D. Influence of motivational state on choice of food or a dustbathing/foraging substrate by domestic hens 1993 Behavioural Processes 3608 28 209-220
Petherick, J.C.; Waddington, D.; Duncan, I.J.H. Learning to gain access to a foraging and dustbathing substrate by domestic fowl: is `out of sight out of mind'? 1991 Behavioural Processes 3609 22 213-226