Man-made diseases and disorders: "Winter Syndrome" of sea bream.
External signs comprise swollen abdomens, skin discolouration and patchy degeneration as well as mild fin erosions. The moribund fish flap about on the surface belly up or on their sides.
Some of the internal lesions comprise pale liver with congested inflamed patches, swollen intestine overfilled with transparent fluid and swollen gall bladder. Extensive haemorrhage of the opercula mucosa and gill congestion, are also common.
Splenomegaly, edematous kidney and spleen and kidney cocciomatosis are frequently present. The cocciomata are sterile containing an amorphous mass.
Author: Dr. Panos Varvarigos
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