Disease caused by Haplosporidium nelsoni
Haplosporidium nelsoni causes multinuclear sphere X (MSX) disease in cultured and wild American oysters.
In Canada, Haplosporidium nelsoni is a federally reportable disease. This means that anyone who owns or works with aquatic animals, who knows of or suspects Haplosporidium nelsoni disease in the animals that they own or work with, is required by law to notify the CFIA.
How do I get more information
- Atlantic: 506-777-3939
- Quebec: 514-283-8888
- Ontario: 226-217-8555
- West: 587-230-2200
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