Abstract:
The incidence, intensity and effects ofnematode infection in the Nile tilapia, Oreochromis nil otic us,
in Lake Wamala and the;r biolo^iecl cha^et^ih: ;c.;, ¦¦:¦ere investigated. Six hundred and thirty fish
were examined using :.?:
techniques and
?=? kc.i'bouv nematodes belonging to the genus
ContracaeciiHL The parisites were found concern i-aied hi the pericardia! region. The incidence and
intensity of infection increased with the length of the host besides and it correlated with the onset
of maturity^ of the host. Factors responsible for the variation in the prevalence of the helminths ,
intensity of infection and their implications are discussed