GB/T 15805.7-2008

This standard specifies the quarantine methods for detecting *Myxosoma cerebralis*, the causative agent of whirling disease in fish. It is applied in aquaculture and fisheries management for the health inspection of salmonid species, particularly during import, export, or movement of fish stocks. The standard ensures accurate diagnosis through defined laboratory procedures, including microscopic examination and molecular techniques, to prevent the spread of this parasitic infection.