Original language | English |
---|---|
Pages (from-to) | 139-146 |
Number of pages | 8 |
Journal | Applied Animal Behaviour Science |
Volume | 31 |
Issue number | 1-2 |
DOIs | |
Publication status | Published - Jul 1991 |
Bibliographical note
Funding Information:I thank Don Broom, Elizabeth Paul and James Serpell for their comments. This paper was written while I was supported by an Agriculture and Food Research Council grant.