Table 5.
Physical aspects of Interceptor LNs observed at different interval of distribution*
| Parameters |
Months of observation post-net distribution |
|||
|---|---|---|---|---|
| 18 | 24 | 30 | 36 | |
|
No. of nets surveyed |
97 (10%) |
97 (10%) |
97 (10%) |
731 (78.4%) |
|
Proportion with any holes |
19.6% |
30.9% |
60.8% |
73.7% |
|
Average no. of holes/net |
2.7 (52/19) |
3.0 (91/30) |
3.7 (221/59) |
7.3 (3933/539) |
| -size 1 |
1.5 |
1.06 |
1.5 |
5.1 |
| -size 2 |
1.1 |
1.3 |
1.9 |
1.2 |
| -size 3 |
0.05 |
0.7 |
0.2 |
0.9 |
| -size 4 |
0.05 |
0.03 |
0.1 |
0.07 |
|
Mean hole index |
13.2 |
55.7 |
87.1 |
252.2 |
|
Proportion of holes/net |
|
|
|
|
| -lower half |
78.6 |
89.6 |
72.9 |
61.6 |
| -upper half |
14.3 |
6.9 |
21.6 |
24.6 |
| -roof |
7.1 |
3.5 |
5.5 |
13.8 |
|
Repairs/net |
|
|
|
|
| -stitches |
0.01 |
0.07 |
0.23 |
0.7 |
| -knots |
0.02 |
0.01 |
0 |
0.4 |
| -patches |
0 |
0.01 |
0 |
0.003 |
|
Aspect of net |
|
|
|
|
| -clean |
56.7 |
58.8 |
41.2 |
42.5 |
| -a bit dirty |
0 |
0 |
0 |
29.3 |
| -dirty |
41.2 |
41.2 |
58.8 |
19.6 |
| -very dirty | 2.1 | 0 | 0 | 8.6 |
*A total of 932 Interceptor LNs were distributed (at the rate of one net per house) in November 2006.