New Bacterial Outbreak Confirmed at Two Eastern Sierra Fish Hatcheries

On April 21, the California Department of Fish and Wildlife (CDFW) announced two fish hatchery facilities in eastern Sierra have recently detected an outbreak of Lactococcus petauri. Lactococcus spp., a naturally occurring bacteria, is similar to Streptococcus spp. The bacterium has caused disease in freshwater and saltwater aquaculture facilities worldwide, although 2020 was...