Parameter | Description | Sample value | Range |
| recruitment rate of snail hosts | 150 per year | 100 - 200 |
| recruitment rate of single male | 145 per year | - |
| recruitment rate of single female | 100 per year | - |
| elimination rate of single male | 0.1 per year | 0.01 - 0.2 |
| elimination rate of single pair | 0.02 per year | 0.001 - 0.05 |
| elimination rate of single female | 0.2 per year | 0.1 - 0.5 |
| elimination rate of snail hosts | 0.1 per year | 0.01 - 0.2 |
| disease-induced death rate of snail hosts | 0.5 per year | 0.1 - 0.9 |
| transmission rate from pairs to susceptible snails | 1.8 × 10−4 per year | 10 × 10−4 - 25 × 10−4 |
| the effective mating rate 0.467 per year | 0.467 per year | 0.1 - 0.5 |