1. Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
2. Petcurean Pet Nutrition, Chilliwack, BC, Canada
3. Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, ON, Canada
4. Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada