From: Seroprevalence of chlamydial infection in dairy cattle in Guangzhou, southern China
Age (year) | No. examined | No. positive | Prevalence (%) |
---|---|---|---|
1 ≤ yr < 2 | 44 | 2 | 4.55 |
2 ≤ yr < 3 | 51 | 1 | 1.96 |
3 ≤ yr < 4 | 54 | 4 | 7.41 |
4 ≤ yr < 5 | 25 | 1 | 4.0 |
5 ≤ yr < 6 | 91 | 8 | 8.79 |
6 ≤ yr < 7 | 49 | 5 | 10.20 |
7 ≤ yr < 8 | 57 | 5 | 8.77 |
≥ 8 | 29 | 3 | 10.34 |
Total | 400 | 29 | 7.25 |