| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Animal Welfare | 978-1-84593-659-4 | 2011 | B O Hughes · J A Mench · A Olsson |
| Animal Welfare | 978-0-85199-180-1 | 1997 | Bo Hughes |
| Poultry Behaviour and Welfare | 978-0-85199-667-7 | 2004 | B.O. Hughes · J.A. Mench |
| Poultry Production Systems: Behaviour, Management and Welfare | 978-0-85198-797-2 | 1992 | etc. · Barry O. Hughes · H. Arnold Elson |
C.A. · C. Appleby · M.A. · M Appleby · M.C. · Michael C. Appleby