Renibacterium salmoninarurn in wild Arctic charr Salvelinus alpinus and lake trout S. namaycush from the Northwest Territories, Canada

Abstract

Renibactenuni salrnoninarum was detected in 7 w~ld ArcUc charr Salvehnus alpinus and 1 lake trout S. narnaycush from 7 wldely separated locations in the Northwest Territories, Canada. Overt disease signs, culture, and microscopic results indicated that all 8 of the fish were actively infected wth the pathogen. Because salmonid enhancement activities have never been practised in the Northwest Territories the occurrence of the R. salmoninarurn infections are believed to represent a natural distribution of the disease.