Table 4.
Overall blood meal indices and host-preferences of malaria vectors from indoor and outdoor collections in Ahero and Iguhu, western Kenya
| Site and species | Parameters | Human | Bovine | Goat | Dog | Chicken |
|---|---|---|---|---|---|---|
| Ahero | ||||||
| Host abundance in the area (%) | 27.8 | 18.8 | 4.0 | 6.0 | 43.4 | |
| An. arabensis | Blood index | 2.5 | 73.1 | 2.5 | 3.4 | 0.6 |
| FR (95% CI) | 0.09 (0.05 to 0.13) | 3.9 (3.7 to 4.1)* | 0.6 (0.3 to 0.9) | 0.5 (0.3 to 0.7) | 0.01 (− 0.03 to 0.05) | |
| An. funestus | Blood index | 62.0 | 25.4 | 0 | 4.2 | 0 |
| FR (95% CI) | 2.2 (1.8 to 2.6)* | 1.4 (0.9 to 1.9) | 0 | 0.7 (− 0.1 to 1.5) | 0 | |
| Iguhu | ||||||
| Host abundance in the area (%) | 27.5 | 12.4 | 2.4 | 2.5 | 55.2 | |
| An. gambiae s.s. | Blood index | 50 | 28 | 0 | 2.0 | 0 |
| FR (95% CI) | 1.8 (1.3 to 2.3)* | 2.3 (1.3 to 2.3)* | 0 | 0.8 (− 0.7 to 2.3) | 0 | |
| An. funestus | Blood index | 55.9 | 17.6 | 2.9 | 2.9 | 0 |
| FR (95% CI) | 2.0 (1.6 to 2.4)* | 1.4 (0.4 to 2.4) | 1.2 (− 1.2 to 3.6) | 1.2 (− 1.1 to 3.5) | 0 | |
FR, forage ratio
* Indicates the preferred host