| metacercarial infection of wild nile tilapia (oreochromis niloticus) from brazil. | fingerlings of oreochromis niloticus collected in an artificial urban lake from belo horizonte, minas gerais, brazil, were evaluated for natural infection with trematodes. morphological taxonomic identification of four fluke species was performed in o. niloticus examined, and the total prevalence of metacercariae was 60.7% (37/61). centrocestus formosanus, a heterophyid found in the gills, was the species with the highest prevalence and mean intensity of infection (31.1% and 3.42 (1-42), resp.), ... | 2014 | 25485302 |