Research Article
Branchial Chamber and Gastrointestinal Tracts Parasites of Fish Species in Benue and Niger Rivers, North Central, Nigeria
Table 2
Parasites in fish species in rivers Niger and Benue at Lokoja.
| | Parasites | Number of fish examined | Number positive (%) | Number negative (%) | Chi-square | df | Value |
| | Clinostomum sp. | 440 | 36 (8.2) | 404 (91.8) | 58.418 | 6 | <0.001 | | Camallanus sp. | 440 | 55 (12.5) | 385 (87.5) | | Capillaria sp. | 440 | 46 (10.5) | 394 (89.5) | | Rhabdochona congolensis | 440 | 38 (8.6) | 402 (91.4) | | Contracaecum sp. | 440 | 79 (18.0) | 361 (82.0) | | Proteocephalus sp. | 440 | 18 (4.1) | 422 (95.9) | | Spinitectus guntheri | 440 | 67 (15.2) | 373 (84.8) | | Total | 440 | 339 (11.0) | 2741 (89.0) |
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