Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: M. cerebralis yakatanga kuwanikwa muNew Zealand muna 1971. Tsikidzi yacho yakawanikwa bedzi munzizi dziri muSouth Island, kure nenzvimbo dzinokosha zvikurusa dzokurima mvura. Uyewo, zvipembenene zvinonzi salmonid zvinorimwa muNew Zealand zvine mikana mishoma yokubatwa nechirwere chinonzi whirling disease, uyewo hazvina kuonekwa kuti chipembenene ichi chinokanganisa zvipembenene zvinonzi salmonid zvinogara munyika yacho. Mhedzisiro inokosha isina kunanga yokuvapo kwezvipembenene ndeyokurambidzwa kutengeswa kwezvinhu zvinogadzirwa nesalmon kuAustralia.  Mubvunzo: M. cerebralis inowanikwa munzvimbo dzipi?
nzizi dziri muSouth Island