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Seroprevalence of chlamydial infection in dairy cattle with different numbers of pregnancies in Guangzhou, southern China examined by indirect hemagglutination assay (IHA)
| No. pregnancy | No. examined | No. positive | Prevalence (%) |
|---|---|---|---|
| 0 |
60 |
3 |
5.0 |
| 1 |
72 |
6 |
8.33 |
| 2 |
64 |
4 |
6.25 |
| 3 |
40 |
4 |
10.0 |
| 4 |
66 |
5 |
7.58 |
| 5 |
37 |
4 |
10.81 |
| 6 |
44 |
2 |
4.55 |
| ≥ 7 |
17 |
1 |
5.88 |
| Total | 400 | 29 | 7.25 |
