The editors

Gary West, DVM, DACZM, is Senior Vice President of Animal Health and Living Collections at the Phoenix Zoo in Phoenix, Arizona, USA.

Darryl Heard, BVMS, DACZM, PhD, is Associate Professor of Zoological Medicine at the University of Florida's College of Veterinary Medicine in Gainesville, Florida, USA.

Nigel Caulkett, DVM, MVetSc, DACVAA, is an Adjunct Professor of Anaesthesiology in the Faculty of Veterinary Medicine at the University of Calgary, Alberta, Canada.