1. Mastitis Network, Saint-Hyacinthe, Quebec J2S 2M2, Canada
2. Faculty of Agricultural and Environmental Sciences, Macdonald Campus, McGill University, Sainte Anne de Bellevue, Quebec, Canada
3. Health Canada, Ottawa, Ontario, Canada
4. Regroupement FRQNT Op+Lait, Saint-Hyacinthe, Québec J2S 2M2, Canada
5. Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, Québec, Canada