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Table 1 Prevalence and intensity of parasites from the cultured and natural habitats

From: Comparative study of African catfish parasites from cultured and natural habitats

Habitats Locations No. of fish examined No. of fish infected Prevalence (%) No. of parasite recovered Intensity
Cultured Pond A 20 9 45.00 84 9.33
Pond B 20 7 35.00 80 11.43
Subtotal   40 16 20.00 164 20.76
Natural River A 20 12 60.00 138 11.50
River B 20 15 75.00 107 7.13
Subtotal   40 27 33.75 245 18.63
Total   80 43 53.75 409 9.51
  1. t = 6.131, P = 0.009, df = 3