1. Département de biologie; Université de Sherbrooke; Sherbrooke QC J1K 2R1 Canada
2. Dairy and Swine Research and Development Centre; Agriculture and Agri-Food Canada; Lennoxville QC J1M 1Z3 Canada
3. Valacta Dairy Production; Centre of Expertise for Quebec and the Atlantic; Sainte-Anne-de-Bellevue QC H9X 3R4 Canada
4. Département de biologie; Centre d'études nordiques and Natural Sciences and Engineering Research Council of Canada Industrial Research Chair in Integrated Management of Resources of Anticosti Island; Université Laval; Québec QC G1V 0A6 Canada