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 locations | Number of fish examined | Number positive (%) | Number negative (%) | Chi-square | df | value (ns) |
| Chintaco (downstream of confluence) | 153 | 113 (73.9) | 40 (26.1) | 1.402 | 2 | 0.496 | Irenedu (River Niger) | 142 | 111 (78.2) | 31 (21.8) | Mozum (River Benue) | 145 | 115 (79.3) | 30 (20.7) | Total | 440 | 339 (77.0) | 101 (23.0) |
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