1. Environmental Studies Program; Dartmouth College; Hanover NH USA
2. Department of Animal and Poultry Science; University of Guelph; Guelph ON Canada
3. Faculty of Agriculture and Horticulture; Humboldt-Universität zu Berlin; Germany
4. Department of Animal and Poultry Science; University of Saskatchewan; Sakatoon SK Canada
5. Department of Fisheries and Oceans Canada (DFO); West Vancouver BC Canada
6. Department of Fisheries and Oceans Canada (DFO); Ottawa ON Canada
7. Taplow Feeds; North Vancouver BC Canada
8. Department of Animal Science; Université Laval; Québec QC Canada