Abstract

Present investigation was carried out to reveal the occurrence of helminthic infection in three commercially important Catfishes (namely O. pabda, W. attu and A. seenghala). Wallago attu showed maximum percentage of prevalence through-out the investigation period as compared to A. seenghala. As, maximum intensity of infection was calculated in Ompok pabda (2.25) against nematodal infection followed by Wallago attu (1.487) and Aorichthys seenghala (0.8). While maximum abundance for nematode, cestode, trematode parasites were observed in Wallago attu (0.575) followed by Ompok pabda (0.195) and Aorichthys seenghala (0.102). During present study maximum abundance of parasites was observed in the body cavity followed by intestine and liver while swim-bladder is least preference site of parasitic infection.

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