1. Alberta Agriculture and Rural Development, Animal
Health and Assurance Division, Agri-Food Laboratories Branch, 6909-116 Street, Edmonton, Alberta, Canada T6H 4P2
2. Department
of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton Alberta, Canada T6G 2P5
3. Beaverlodge Research Farm, Agriculture and Agri-Food Canada, P.O. Box 29, Beaverlodge, Alberta, Canada T0H 0C0