Table 4 Total number (mean no. per snail ± SD) for the developmental stages of Perostrongylus falciformis larvae collected from five experimentally infected snails at 3 (T1), 6 (T2), 10 (T3), 15 (T4), 20 (T5) and 30 (T6) days post-infection
First-stage larvae | Second-stage larvae | Third-stage larvae | Total | |
|---|---|---|---|---|
T1 | 19 (3.8 ± 2.7) | – | – | 19 (6.3 ± 11.0) |
T2 | 10 (2.0 ± 1.6) | – | – | 10 (3.3 ± 5.8) |
T3 | 13 (2.2 ± 1.8) | 59 (11.8 ± 2.6) | 1 (0.2 ± 0.4) | 73 (24.3 ± 30.6) |
T4 | 3 (0.6 ± 0.9) | 78 (15.6 ± 7.2) | 1 (0.2 ± 0.4) | 82 (27.3 ± 43.9) |
T5 | 4 (0.8 ± 1.1) | 37 (7.4 ± 5.7) | 4 (0.8 ± 1.1) | 45 (15.0 ± 19.1) |
T6 | 5 (1.0 ± 1.7) | 36 (7.2 ± 3.8) | 23 (4.6 ± 4.1) | 64 (21.3 ± 15.6) |