Research Article

Branchial Chamber and Gastrointestinal Tracts Parasites of Fish Species in Benue and Niger Rivers, North Central, Nigeria

Table 6

Prevalence of fish parasites according to locations at rivers Niger and Benue, Lokoja.

Sampling locationsNumber of fish examinedNumber positive (%)Number negative (%)Chi-squaredf value (ns)

Chintaco (downstream of confluence)153113 (73.9)40 (26.1)1.40220.496
Irenedu (River Niger)142111 (78.2)31 (21.8)
Mozum (River Benue)145115 (79.3)30 (20.7)
Total440339 (77.0)101 (23.0)

ns, not significant at .