Clinical signs of trichodinosisin the cultured Oreochromisniloticus (O. niloticus), Tilapiazilli (T. zilli) and Grass carp (G. carp) revealed signs of asphyxia in the form of rapid operculum movement, surfacing and gasping; signs of irritation as swimming near borders and scratching against hard objects, dullness, detachment of scales, excessive and turbidmucous, ulcerations, frayed fins and the gills were pale in some ... Read more