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Microfiltration and uv irradiation to eliminate ceratomyxa shasta myxozoa myxosporea a salmonid pathogen from fraser river water british columbia canada


, : Microfiltration and uv irradiation to eliminate ceratomyxa shasta myxozoa myxosporea a salmonid pathogen from fraser river water british columbia canada. Canadian Technical Report of Fisheries & Aquatic Sciences (1364): I-III, 1-11

Enteric infections of C. shasta developed in juvenile chinook salmon, Oncorhynchus tshawytscha, (from the Chehalis River hatchery, Fraser River) exposed to water pumped from the North Arm of the Fraser River, British Columbia. After about 6 days of exposure to this water in late June 1983, fish began to die with heavy C. shasta infections during wk 4 of incubation in C. shasta-free water. By late July, mortalities occurred within 2 wk of incubation after 7 days of exposure. C. shasta was not detected in juvenile chinook salmon held for up to 48 days in turbid Fraser River water after filtration followed by UV irradiation.

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