| 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.
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