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Table 1 Total number of snails collected during monthly sampling in three irrigation canals etc

From: Types of trematodes infecting freshwater snails found in irrigation canals in the East Nile locality, Khartoum, Sudan

Species Site 1 Site 2 Site 3  
  2004 2005 Total 2004 2005 Total 2004 2005 Total All sites
Biomphalaria pfeifferi 401 (39.3) 2 (0.3) 403 (22.5) 2029 (62.5) 390 (44.5) 2419 (58.7) 1625 (57.9) 653 (36.9) 2278 (49.8) 5100 (48.6)
Bulinus truncatus 146 (14.3) 423 (54.9) 569 (31.8) 242 (7.5) 10 (1.1) 252 (6.1) 309 (11.0) 273 (15.4) 582 (12.7) 1403 (13.4)
Bulinus forskalii 4 (0.4) 14 (1.8) 18 (1.0) 165 (5.1) 333 (38.0) 498 (12.1) 6 (0.2) 2 (0.1) 8 (0.2) 524 (5.0)
Lymnea natalensis 161 (15.8) 93 (12.1) 254 (14.2) 67 (2.1) 2 (0.2) 69 (1.7) 0 (0.0) 6 (0.3) 6 (0.1) 329 (3.1)
Physa acuta 58 (5.7) 116 (15.0) 174 (9.7) 432 (13.3) 135 (15.4) 567 (13.8) 0 (0.0) 0 (0.0) 0 (0.0) 741 (7.1)
Melanoides tuberculata 146 (14.3) 39 (5.1) 185 (10.3) 306 (9.4) 6 (0.7) 312 (7.6) 867 (30.9) 836 (47.2) 1703 (37.2) 2200 (21.0)
Cleopatra bulimoides 105 (10.3) 84 (10.9) 189 (10.5) 5 (0.2) 1 (0.1) 6 (0.1) 1 (0.0) 0 (0.0) 1 (0.0) 196 (1.9)
Total 1021 771 1792 3246 877 4123 2808 1770 4578 10493