Table 1 Collection points for water and snail samples in the district of Giru, Joaíma, and the municipality of Ribeirão Das Neves, in Minas Gerais, Brazil, including the abiotic parameters measured, the concentration of Escherichia coli and total coliforms in water bodies
Collection point | Geographic coordinates | Taxonomy identification | Parasitological exam | Number of collected snails | Number of positive snails | Water temperature °C | pH | Calcium (mg/L) | Conductivity (µS/cm) | E.coli (CFU 100 mL− 1) | Total Coliforms (CFU 100 mL− 1) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Literature* | 18 to 31┼ | 5.6 to 9.1┼ | 2.4 to 129┼ | |||||||||
Giru (First survey) | ||||||||||||
1 | -41.053185 | -16.861399 | Dead | - | 6 | 0 | NP | NP | NP | NP | NP | NP |
2 | -41.051812 | -16.860166 | Dead | - | 2 | 0 | NP | NP | NP | NP | NP | NP |
3 | -41.065900 | -16.866780 | B. glabrata | S. mansoni | 3 | 1 | NP | NP | NP | NP | NP | NP |
4 | -41.057031 | -16.864323 | B. glabrata | - | 32 | 0 | NP | NP | NP | NP | NP | NP |
5 | -41.044322 | -16.872878 | B. glabrata | - | 3 | 0 | NP | NP | NP | NP | NP | NP |
Giru (Second survey) | ||||||||||||
4 | -41.05715 | -16.864323 | B. glabrata | - | 54 | 3* | 31.97 ± 0.29 | 6.85 ± 0.07 | 4.33 ± 0.58 | 87.33 ± 1.53 | 5,1 × 102 ± 7.50 log | 3.6 × 103 ± 5.5 log |
6 | -41.06278 | -16.86698 | B. glabrata | S. mansoni | 322 | 4** | 27.77 ± 0.55 | 7.40 ± 0.20 | 4.00 ± 0.00 | 83.67 ± 4.16 | 8.2 × 103 ± 3.0 log | 10 × 103 ± 0 log |
7 | -41.07110 | -16.86609 | - | - | 0 | - | 25.60 ± 0.10 | 7.37 ± 0.15 | 4.00 | 24.33 ± 1.53 | 5.5 × 102 ± 7.1 log | 10 × 103 ± 0 log |
8 | -41.05881 | -16.8603 | B. glabrata | - | 6 | 0 | 27.63 ± 0.25 | 6.83 ± 0.06 | 11.00 ± 1.00 | 93.33 ± 4.51 | 5 × 101 ± 0.8 log | 6.8 × 103 ± 5.4 log |
9 | -41.06615 | -16.86483 | - | - | 0 | - | 30.47 ± 1.20 | 7.60 | 7.13 ± 0.06 | 28.67 ± 2.08 | 5,2 × 103 ± 6.7 log | 6.8 × 103 ± 5.4 log |
Ribeirão das Neves | ||||||||||||
1 | -44.114034 | -19.770934 | B. straminea | - | 24 | 0 | 29.57 ± 1.07 | 6.97 ± 0.12 | 39.33 ± 1.53 | 108.00 ± 4.36 | 5.4 × 102±4.1 log | 4,3 × 102±1.1 log |
2 | -44.110362 | -19.786881 | - | - | 0 | - | 35.17 ± 1.23 | 6.83 ± 0.12 | 15.33 ± 0.58 | 62.00 ± 5.57 | 4.0 × 104 ±2.4 log | 2.1 × 104 ±1.0 log |
3 | -44.016439 | -19.813047 | B. tenagophila | - | 134 | 0 | 33.13 ± 0.85 | 7.47 ± 0.06 | 46.00 ± 1.73 | 437.00 ± 57,58 | 2.8 × 104 ±1.8 log | 6.1 × 104±6.5 log |