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Observations On Pushing and Aggression in Pairs of Hens in Battery Cages

Bibliographic reference Doyen, J. ; Zayan, René. Observations On Pushing and Aggression in Pairs of Hens in Battery Cages. In: Behavioural Processes, Vol. 9, no. 2-3, p. 171-180 (1984)
Permanent URL http://hdl.handle.net/2078.1/55979