Red spot disease
Epizootic ulcerative syndrome, or red spot disease, often appears after acid water run-off following heavy rains, with the unsightly lesions reducing product marketability. EUS is caused by a fungus aphanomyces invadans and shows as red lesions or deep ulcers. Secondary bacterial infections are often also associated with red spot disease. To identify EUS, look for red spots or burn-like marks …
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