[1] Univ Saskatchewan, Western Coll Vet Med, Dept Vet Pathol, Saskatoon, SK, Canada
[2] Univ Saskatchewan, Western Coll Vet Med, Canadian Wildlife Hlth Cooperat, Saskatoon, SK, Canada
[3] Publ Hlth Agcy Canada, Natl Microbiol Lab, Winnipeg, MB, Canada
[4] Univ Vet & Pharmaceut Sci Brno, CEITEC VFU, Brno, Czech Republic
[5] Masaryk Univ, Fac Sci, Dept Bot & Zool, Brno, Czech Republic
[6] Czech Acad Sci, Biol Ctr, Inst Parasitol, Ceske Budejovice, Czech Republic