Epizootic Ulcerative Syndrome(EUS)

Catalogue Type
Livestock, Poultry and Fish Diseases Catalogue
Scientific Name
Aphanomyces invadans
Distinguishing Characters
Lesions can range from small pinpoint red spots to haemorrhagic spots
Localized swelling, localized raised areas on the body surface
Protruding scales
Scale loss,
Skin erosion and reddened areas of the skin under the scales.
Exposure of underlying musculature
Lesions are observed most often in the lateral surface but can also occur on any part of the body
Large red or grey shallow ulcers, often with a brown necrosis are observed in the later stages.
Infected fish may float below the water surface
Becomes hyperactive with a very jerky pattern of movement.
Photo of Pathogen
Photo of Livestock/Poultry/Fish Disease