Fig. 1

Parasite isolation in organs and faeces of snail
| Snail species | Organs | Others | Faeces | |||||
|---|---|---|---|---|---|---|---|---|
| Mucus gland | Digestive gland | Intestine | Crop | Stomach | Ovotestis | |||
| A.achatina | S. stercoralis | - | S. stercoralis | - | - | - | S. stercoralis | S. stercoralis |
| A. fulica | S. stercoralis | S. stercoralis | F. gigantica; A. cantonesis; S. mansonia | - | - | - | S. stercoralis | S. stercoralis; F. gigantica |
| A. marginata | S. stercoralis | - | S. stercoralis | - | - | - | S, stercoralis | S. stercoralis |
| L. aurora | S. stercoralis; Alaria spp. | - | S. stercoloralis | - | - | - | S. stercoralis | S. stercoralis |
| L. flammae | S. stercoralis; Alaria spp. | D. dendtriticum | S. stercoralis; Alaria spp; D. dentriticum | - | - | - | S. stercoralis | S. stercoralis; Alaria spp |
| Limicolariopsis | S. stercoralis | - | Alaria spp. | - | - | - | S. stercoralis | S. stercoralis |
Prevalence of infected snails by location
| Location | No. examined | No. and % infected | No. and % infected with S. stercoralis | No. and % infected with Alaria spp. | No. and % infected with F. gigantica | No. and % infected with A. cantonesis | No. and % infected with D. dendriticum | No. and % infected with S. mansoni |
|---|---|---|---|---|---|---|---|---|
| Benin | 51 | 22(50) | 22 (100) | - | 2(9.09) | 2(9.09) | - | - |
| Ekpoma | 105 | 65(62.52) | 65 (100) | 2(13.33) | - | - | - | - |
| Uromi | 62 | 27(43.33) | 27 (100) | - | 3(11.11) | 2(7.41) | - | 2(7.41) |
| Auchi | 54 | 33(60) | 33 (100) | 2(6.06) | 2(6.06) | 3(9.09) | 2(6,06) | - |
| Total | 272 | 147(54.04) | 147(100) | 4(2.72) | 7(4.75) | 7(4.75) | 2(1.36) | 2(1.36) |
Prevalence of snail infection with parasite
| No. examined | No. and % infected | No. and % infected with larvae of S. stercoralis | No. and % infected with mesocercaria of Alaria spp | No. and % infected with sporocyst of F. gigantica | No. and % infected with larvae of A.cantonesis | No. and % infected with Cercariae of D. dendriticum | No. and % infected with sporocyst of S. mansoni | |
|---|---|---|---|---|---|---|---|---|
| A, achatina | 48 | 28 (58.33) | 28 (100) | - | - | - | - | - |
| A. fulica | 41 | 28 (68.29) | 28 (100) | - | 7(17.07) | 7(17.07) | - | 2(7.14) |
| A. marginata | 42 | 19 (45.23) | 19 (100) | - | - | - | - | - |
| L. aurora | 48 | 39 (81.25) | 39 (100) | 1(3.44) | - | - | - | - |
| L. flammea | 73 | 49 (67.12) | 49 (100) | 2(4.08) | - | - | 2 (4.08) | - |
| Limicolariopsis | 20 | 10 (50) | 10 (100) | 1(10) | - | - | - | - |