Table 1 Total number of snails collected and Schistosoma spp. infestation rates (%) in ponds in 2012 and 2013, in 9 villages of the Niakhar study area
Villages (pond) | Snail species | 2012 | 2013 | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Col. | Test. | Inf. (rate) | Col. | Test. | Inf. (rate) | Col. | Test. | Inf. (rate) | ||
Sob (1) | B. s | 44 | 44 | 0 | 512 | 330 | 0 | 556 | 374 | 0 |
Sass Ndiafaj (1) | B. s | 20 | 20 | 0 | 898 | 819 | 5 (0.61 %) | 918 | 839 | 5 (0.60 %) |
Ngalagne kop (4) | B. s | 156 | 156 | 0 | 882 | 714 | 0 | 1038 | 870 | 0 |
Tukar (3) | B. s | 150 | 150 | 0 | 1512 | 1337 | 1 (0.07 %) | 1662 | 1487 | 1 (0.06 %) |
Puday (3) | B. s | 122 | 111 | 0 | 2912 | 1920 | 1 (0.05 %) | 3034 | 2031 | 1 (0.04 %) |
Logdir (2) | B. s | 80 | 80 | 0 | 90 | 90 | 1 (1.11 %) | 170 | 170 | 1 (0.60 %) |
Diohin (1) | B. s | 114 | 110 | 0 | 902 | 689 | 0 | 1016 | 799 | 0 |
Godel (1) | B. s | 64 | 64 | 0 | 278 | 270 | 0 | 342 | 334 | 0 |
Ngangarlam (1) | B. s | 166 | 166 | 0 | 275 | 263 | 0 | 441 | 429 | 0 |
B. u | 58 | 58 | 8 (13.79 %) | 290 | 281 | 14 (4.98 %) | 348 | 339 | 22 (6.51 % | |
Total | B. s | 1032 | 901 | 0 | 8261 | 6432 | 8 (0.12 %) | 9293 | 7333 | 8 (0.11 %) |
B. u | 58 | 58 | 8 (13.8 %) | 290 | 281 | 14 (4.98 %) | 348 | 339 | 22 (6.50 %) | |
Total all species | 1090 | 959 | 8 (0.01 %) | 8551 | 6713 | 22 (0.003 %) | 9641 | 7672 | 30 (0.39 %) | |