The push-door for measuring motivation in hens: Laying hens are motivated to perch at night (2002)
Olsson, I. A. S., Keeling, L. J.
Abstract
Hens were prepared to work by pushing open weighted doors for access to perches for night-time roosting.
Published
2002
Citation
Olsson, I. A. S., Keeling, L. J. 2002. The push-door for measuring motivation in hens: Laying hens are motivated to perch at night. Animal Welfare 11, 11-19.
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