Table 4. Breeding preference ratio of the vector larvae of Chitwan district.
| Breedingsite | Numbers of containers with water | Percentage of containers with water (X%) | Numbers of containers with larvae or pupae | Percentage of containers with larvae or pupae (Y%) | BPR (Y/X) |
|---|---|---|---|---|---|
| Discarded tires | 65 | 68.4 | 46 | 79.31 | 1.15 |
| Plastic buckets | 6 | 6.31 | 2 | 3.44 | 0.54 |
| Metal drums | 2 | 2.1 | 1 | 1.72 | 0.81 |
| Earthen pots | 5 | 5.3 | 3 | 5.17 | 0.98 |
| Roofs | 2 | 2.1 | 1 | 1.72 | 0.81 |
| Cemented tanks | 5 | 5.3 | 0 | 0 | 0 |
| Plastic tanks | 4 | 4.2 | 2 | 3.44 | 0.81 |
| Plastic bottles | 6 | 6.3 | 2 | 3.44 | 0.54 |
| Total | 95 | 100 | 58 | 100 |