Disease Monitoring

Ceratomyxosis, which is caused by Ceratomyxa shasta, has been identified as the most significant disease for juvenile salmon in the Klamath basin.  To minimize Project-related effects on disease prevalence in the Klamath River, the Bureau of Reclamation funds for (1) the weekly monitoring of C. shasta actinospore genotype II concentrations in the mainstem Klamath River immediately upstream of Beaver Creek during mid-April to June, and (2) the annual monitoring of the percent of C. shasta infection rates for Chinook salmon in the mainstem between the Shasta River and the Trinity River during the months of May to July.