[1] Univ Prince Edward Isl, Dept Hlth Management, Charlottetown, PE C1A 4P3, Canada
[2] Univ Prince Edward Isl, Dept Pathol & Microbiol, Charlottetown, PE C1A 4P3, Canada
[3] Univ Prince Edward Isl, AVC Lobster Sci Ctr, Atlantic Vet Coll, Charlottetown, PE C1A 4P3, Canada
[4] Univ Adelaide, Sch Anim & Vet Sci, Roseworthy, SA 5371, Australia
[5] Canadian Food Inspect Agcy, Meat Program Div, Agrifood Meat & Seafood Safety Directorate, Ottawa, ON K1A 0Y9, Canada
[6] Hlth Canada, Microbiol Res Div, Bur Microbial Hazards,Banting Res Ctr, Food Directorate,Hlth Prod & Food Branch, Ottawa, ON K1A 0K9, Canada
[7] Pk Vet Grp, Whetstone, Leics, England
[8] Univ Calgary, Dept Prod Anim Hlth, Fac Vet Med, Calgary, AB T2N 4N1, Canada
[9] Univ Calgary, Dept Prod Anim Hlth, Fac Med, Calgary, AB T2N 4N1, Canada