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Ceratomyxosis is a disease that affects salmon and trout. It is caused by the protozoan Ceratomyxa shasta, which belongs to the class Myxosporea.
In Canada, Ceratomyxosis disease is a federally reportable disease. This means that anyone who owns or works with aquatic animals, who knows of or suspects Ceratomyxosis disease in the animals that they own or work with, is required by law to notify the CFIA.
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