Histopathological studies of experimental Aeromonas hydrophila infection in blue tilapia, Oreochromis aureus
Saudi Journal of Biological Sciences, Volume 25, No. 1, Year 2018
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Blue tilapia, Oreochromis aureus, was experimentally infected with Aeromonas hydrophila, a bacterium that damages the gills, liver, and intestine, resulting in histopathological changes in the infected organs. Our histopathological study showed an aggregation of hemocytes with cell necrosis in gills; a massive aggregation of hemocytes and pyknotic nuclei in the hepatopancreas; and a lower rate of hemocyte aggregation in the digestive system of the infected fish.