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Histopathological characterization of the response of tilapia (Oreochromis sp.) to a mixed infection by myxosporeans. Study of a natural case






Veterinaria Mexico 29(2): 213-216

Histopathological characterization of the response of tilapia (Oreochromis sp.) to a mixed infection by myxosporeans. Study of a natural case

Forty tilapia (Oreochromis sp.) from Mexico, kept in aquaria, fell ill with small white nodules in the gills, darkening of the skin, exophthalmos and loss of appetite. Necropsy showed increased abdominal volume, and congestion and thickening of the medial and posterior intestine. Some fish had ascites. Multicellular trophozoite cysts were found in the intestinal mucosa and submucosa, pancreas, kidney, brain and gills. The cysts on the gills were much smaller than the others.


Accession: 003161194



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