Table 3. Serological analysis according to the occurrence of fowl typhoid
Items | SPA | MA (2n) | ELISA |
Dead birds |
11) | NT | NT | NT |
2 | NT | NT | NT |
3 | NT | NT | NT |
6 | NT | NT | NT |
10 | NT | NT | NT |
17 | NT | NT | NT |
23 | NT | NT | NT |
25 | NT | NT | NT |
26 | NT | NT | NT |
27 | NT | NT | NT |
29 | NT | NT | NT |
33 | NT | NT | NT |
39 | NT | NT | NT |
40 | NT | NT | NT |
Live birds |
4 | + | 7 | 1003 |
5 | - | NT | NT |
7 | + | 8 | ND |
8 | - | NT | NT |
9 | - | NT | NT |
11 | - | NT | NT |
12 | - | NT | NT |
13 | - | NT | NT |
14 | + | 10 | 2298 |
15 | + | 4 | ND |
16 | - | NT | NT |
18 | - | NT | NT |
19 | - | NT | NT |
20 | + | 4 | ND |
21 | - | NT | NT |
22 | - | NT | NT |
24 | + | 3 | ND |
28 | - | NT | NT |
30 | - | NT | NT |
31 | - | NT | NT |
32 | - | NT | NT |
34 | + | 2 | ND |
35 | - | NT | NT |
36 | - | NT | NT |
37 | - | NT | NT |
38 | - | NT | NT |
Bird’s individual number.
SPA, serum plate agglutination; MA, micro-aggregation; ELISA, enzyme-linked immunosorbent assay; NT, not tested; +, positive; −, negative; ND, not detected.