Changes

==Clinical Signs==

==Clinical Signs==

Fish infected with typical CWD have '''external skin lesions, often on the dorsum, lose their fins and may also  have severe erosion of the caudal fin'''. Ifns may appear '''dark, torn, split, ragged, frayed or have haemorrhagic red patches/spots''' visible. Affected fish are often lethargic and stop feeding.

Fish infected with typical CWD have '''external skin lesions, often on the dorsum, lose their fins and may also  have severe erosion of the caudal fin'''. Fins may appear '''dark, torn, split, ragged, frayed or have haemorrhagic red patches/spots''' visible. Affected fish are often lethargic and stop feeding.

'''Internal, systemic infection''' can also be a sequel of CWD.  

'''Internal, systemic infection''' can also be a sequel of CWD.