Table 2.
Bioassay results for tests on sample of collected nets, by site and collection time
| |
|
|
Susceptible strain |
Wild caught |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Site | No of nets | Mean (SD) deltamethrin concentration (mg/m 2 by XRF) | Ave kd30 % | Range kd30 % | Ave kd60 % | Range kd60 % | Ave mort24h % | Range mort24h % | Ave kd30 % | Range kd30 % | Ave kd60 % | Range kd60 % | Ave mort24h % | Range mort24h % |
| A |
4 |
69.1 (8.8) |
100 |
100–100 |
100 |
100–100 |
100 |
100–100 |
|
|
|
|
|
|
| B |
4 |
71.9 (18.4) |
100 |
100–100 |
100 |
100–100 |
100 |
100–100 |
|
|
|
|
|
|
| C |
4 |
67.0 (7.5) |
100 |
100–100 |
100 |
100–100 |
100 |
100–100 |
|
|
|
|
|
|
| D |
4 |
65.0 (6.3) |
100 |
100–100 |
100 |
100–100 |
100 |
100–100 |
|
|
|
|
|
|
| E |
4 |
45.9 (16.1) |
99.4 |
97.5–100 |
99.4 |
97.5–100 |
96.2 |
92.3–100 |
|
|
|
|
|
|
| F |
4 |
50.2 (28.3) |
100 |
100–100 |
100 |
100–100 |
100 |
100–100 |
|
|
|
|
|
|
| J |
4 |
59.8 (2.6) |
93.8 |
82.5–100 |
98.1 |
92.5–100 |
96.3 |
85.0–100 |
|
|
|
|
|
|
|
3–6 months
|
28
|
61.3 (16.2)
|
99.0
|
82.5–100
|
99.6
|
92.5–100
|
98.9
|
85.0–100
|
|
|
|
|
|
|
| K |
4 |
37.1 (11.3) |
100 |
100–100 |
100 |
100–100 |
99.4 |
97.5–100 |
94.1 |
85.9–100 |
98.4 |
96.0–100 |
100.0 |
100–100 |
| L |
4 |
46.5 (8.7) |
95.6 |
85.0–100 |
96.9 |
87.5–100 |
93.8 |
87.5–100 |
90.4 |
82.5–93.3 |
98.2 |
97.5–100 |
73.7 |
61.9–95.6 |
| M |
4 |
29.4 (28.1) |
97.5 |
90.0–100 |
99.4 |
97.5–100 |
100 |
100–100 |
95.2 |
90.2–100 |
97.6 |
95.0–100 |
95.7 |
90.0–100 |
| N |
4 |
52.8 (8.4) |
91.1 |
64.3–100 |
96.4 |
85.7–100 |
92.8 |
78.6–100 |
92.6 |
85.7–97.4 |
91.7 |
74.4–100 |
86.6 |
67.7–100 |
| P |
4 |
40.3 (20.8) |
90.0 |
60.0–100 |
91.9 |
77.5–100 |
86.3 |
77.5–100 |
100 |
97.5–100 |
98.1 |
92.5–100 |
83.7 |
66.7–97.6 |
| Q |
4 |
37.5 (20.1) |
89.6 |
63.4–100 |
98.7 |
97.6–100 |
94.5 |
82.9–100 |
96.3 |
95.0–97.6 |
97.5 |
95.0–100 |
92.2 |
83.4–97.6 |
| R |
4 |
47.2 (31.6) |
86.3 |
50.0–100 |
93.8 |
75.0–100 |
91.7 |
80.0–100 |
89.7 |
78.7–97.5 |
96.6 |
91.5–100 |
96.5 |
88.8–100 |
| S |
4 |
40.5 (39.7) |
78.4 |
25.6–97.6 |
93.7 |
82.1–100 |
83.3 |
33.3–100 |
89.0 |
70.0–97.7 |
94.8 |
84.2–100 |
93.2 |
80.6–100 |
| T |
4 |
51.9 (23.8) |
90.1 |
67.5–100 |
93.2 |
75.0–100 |
96.9 |
87.5–100 |
93.6 |
87.8–100 |
98.1 |
92.3–100 |
90.2 |
73.7–100 |
| U |
4 |
37.6 (17.4) |
87.6 |
70.0–100 |
95.6 |
87.5–100 |
88.2 |
72.5–100 |
83.8 |
50.0–97.6 |
92.8 |
80.0–100 |
91.9 |
79.0–97.9 |
| J |
4 |
49.5 (21.8) |
100 |
100–100 |
100 |
100–100 |
100 |
100–100 |
89.2 |
59.5–100 |
94.1 |
76.3–100 |
35.3 |
5.1–42.3 |
|
14–20 months
|
44
|
42.8 (21.4)
|
91.4
|
25.6–100
|
96.3
|
75.0–100
|
93.3
|
33.3–100
|
92.2
|
50.0–100
|
96.2
|
74.4–100
|
85.4
|
5.1–100
|
| K |
4 |
35.8 (11.1) |
100 |
100–100 |
100 |
100–100 |
98.6 |
94.3–100 |
93.8 |
85.0–100 |
96.9 |
90.0–100 |
61.3 |
30.0–90.0 |
| L |
4 |
49.8 (6.4) |
100 |
100–100 |
100 |
100–100 |
97.4 |
94.7–100 |
90.0 |
70.0–100 |
96.9 |
92.5–100 |
54.4 |
45.0–60.0 |
| M |
4 |
73.6 17.7) |
100 |
100–100 |
100 |
100–100 |
97.4 |
94.7–100 |
92.8 |
86.8–97.4 |
96.7 |
92.1–100 |
71.6 |
62.2–89.2 |
| N |
4 |
34.0 (18.4) |
97.5 |
92.5–100 |
99.4 |
97.5–100 |
88.1 |
75.0–100 |
71.7 |
21.6–95.0 |
84.9 |
57.9–100 |
32.4 |
15.4–52.5 |
| P |
4 |
47.1 (20.5) |
100 |
100–100 |
100 |
100–100 |
90.1 |
79.0–100 |
94.1 |
86.8–100 |
95.4 |
89.5–100 |
34.5 |
5.4–56.8 |
| Q |
4 |
43.8 (17.7) |
100 |
100–100 |
100 |
100–100 |
93.9 |
91.9–94.6 |
91.3 |
87.5–97.5 |
88.8 |
82.5–95.0 |
56.9 |
52.5–62.5 |
| R |
4 |
33.5 (22.4) |
100 |
100–100 |
100 |
100–100 |
89.2 |
77.1–100 |
75.0 |
57.5–92.5 |
78.8 |
55.0–95.0 |
28.1 |
0.0–50.0 |
| S |
4 |
36.9 (8.2) |
98.8 |
95.0–100 |
100 |
100–100 |
96.6 |
89.2–100 |
59.4 |
32.5–75.0 |
63.1 |
35.0–77.5 |
38.8 |
15.0–85.0 |
| T |
4 |
37.7 (18.9) |
88.1 |
57.5–100 |
89.4 |
62.5–100 |
89.6 |
68.4–100 |
67.5 |
25.0–92.5 |
70.6 |
30.0–100 |
23.8 |
12.5–37.5 |
| U |
4 |
58.4 17.1) |
100 |
100–100 |
100 |
100–100 |
100 |
100–100 |
98.8 |
97.5–100 |
100 |
100–100 |
70.6 |
62.5–77.5 |
| 26–32 months | 40 | 45.1 (19.1) | 98.4 | 57.5–100 | 98.9 | 62.5–100 | 94.1 | 68.4–100 | 83.4 | 21.6–100 | 87.2 | 30.0–100 | 47.2 | 0.0–90.0 |