PARASITES OF Oreochromis niloticus OBSERVED IN THE FISHERIES UNIT OF THE NIGER DELTA UNIVERSITY TEACHING AND RESEARCH FARM
Parasites of Orechromis niloticus was studied at the Teaching and Research Farm of the Niger Delta University. The prevalence, abundance and intensity of infection were determined. The prevalence of Dactylogyrus parasitae in Oreochromis niloticus showed the highest value of 65%, followed by Cestode, ligula 60%, Ergasilus 10% and Protozoa and Nematode 1.66% with the least prevalence. The intensity of Dactylogyrus obtained was 2.79,while Cestode,( ligula)had 1.10,, Ergasilus spp 1.33, Protozoa and Nematode 1.2 respectively..