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


, : 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

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.

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Auro de Ocampo, A..; Ocampo Camberos, L.., 1998: Histopathological characterization of tilapia Oreochromis sp response to a mixed infection by myxosporean parasites A natural case Caracterizacion histopatologica de la respuesta de la tilapia Oreochromis sp a una infeccion mixta por myxosporidios Estudio en un caso natural. An histopathological diagnosis of a myxed myxosporean infection on forty naturally infected tilapias (Oreochromis sp.) was made. These animals presented small white nodules in the gills, darkening of the skin, exophthalmos and loss of epithet. The...

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