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Fishes are the main source of food for human consumption as they remain the major source of protein (Haruna, 2006). Fish is important as a vector of pathogenic infection of human being and animals. A total number of 83 fishes were examined which comprises Oreochromis aureus (n=40), Clarias gariepinus (n=43), were studied for helminthes infection, 75 and 90.3% were infected; C. gariepinus had the highest infection rate with 40 and 93.0% while O. aureus had the lowest infection rate with 35 and 87.5%. The organs were examined for helminthes parasite, small intestine had the prevalence rate mounted at 10 and 25% O. aureus, C. gariepinus 22 and 51.1% while large intestine had the prevalence rate of 17 and 42.5%, O. aureus and C. gariepinus 25 and 58.1% respectively. The highest intestinal parasites were found in large intestine with the total load of 42 and 50.6% while small intestine had the lowest infection rate with 32 and 30.5%. Analysis of variance (ANOVA) showed that there was no significant difference (p > 0.05). The high helminthes parasite found in this study may cause high mortality rate and low production of fish in the study areas. The study unveiled the prevalence of endoparasitic disease in Ase River. The prevalence shown in this study may hinder the developmental growth and output of the fish species.
Ngozi et al. (Sat,) studied this question.