Dr. Ian J.H. Duncan and Dr. Penny Hawkins
Dr. Ian J.H. Duncan
University of Guelph
Dept. Animal & Poultry Science
Guelph ON N1G 2W1
Canada
iduncan@uoguelph.ca
Dr. Penny Hawkins
Royal Society for the Prevention of Cruelty
to Animals
Research Animals Dept.
Wilberforce Way
Horsham, W. Sussex
Southwater
United Kingdom RH13 9RS
phawkins@rspca.org.uk