Necropsy findings usually include '''white-grey necrotic patches and granulomatous inflammation''' of most commonly the '''kidneys, also the spleen and liver''', and sometimes other viscera. The kidneys may also be '''swollen and oedematous. Bloody fluid''' may have accumulated in the body cavities. Musculature is also often necrotic. Granulomas vary slightly in their nature according to the species of fish affected. | Necropsy findings usually include '''white-grey necrotic patches and granulomatous inflammation''' of most commonly the '''kidneys, also the spleen and liver''', and sometimes other viscera. The kidneys may also be '''swollen and oedematous. Bloody fluid''' may have accumulated in the body cavities. Musculature is also often necrotic. Granulomas vary slightly in their nature according to the species of fish affected. |