Prevalence of helminth infection among some Nile fishes in relation to some biological aspects.
The prevalence of the helminth infections of the Nile fishes Bagrus bayad, Clarias lazera, Tilapia nilotica and Barbas bynni was investigated. 234 (66.5%) out of 352 examined freshwater fishes were infected with the helminth parasites. Single or mixed infections were noticed among the infected fishes. Out of the the fish examined, 72.2% were found harbouring Trematode parasites, 8.1% harboured nematodes ... إقراء المزيد