Table 8 Prevalence of parasites in relation to body weight of natural C. gariepinus
From: Comparative study of African catfish parasites from cultured and natural habitats
Body weight (g) | River A | River B | ||||
|---|---|---|---|---|---|---|
No. of fish examined | No. of fish infected | Prevalence (%) | No. of fish examined | No. of fish infected | Prevalence (%) | |
200–299 | 3 | 1 | 33.33 | 1 | 0 | 0.00 |
300–399 | 3 | 1 | 33.33 | 3 | 1 | 33.33 |
400–499 | 5 | 3 | 60.00 | 9 | 8 | 88.89 |
500–599 | 6 | 5 | 83.33 | 5 | 5 | 100.00 |
600–699 | 3 | 2 | 66.66 | 2 | 1 | 50.00 |
700–799 | 0 | 0 | 0.00 | 0 | 0 | 0.00 |
Total | 20 | 12 | 60.00 | 20 | 15 | 75.00 |