Table 4 Prevalence of T. gondii infection in yaks by age and antibody titers in Qinghai, China
Age groups | NO. examined | IHA titers | Positive | |||||
|---|---|---|---|---|---|---|---|---|
≤1:16 | 1:64 | 1:256 | 1:1024 | 1:4096 | NO. | % | ||
≤1 year | 236 | 206 | 15 | 12 | 3 | 1 | 30 | 12.71 |
1-3 years | 762 | 720 | 9 | 21 | 4 | 7 | 42 | 5.51 |
4-5 years | 538 | 489 | 18 | 14 | 6 | 11 | 49 | 9.11 |
>5 years | 67 | 55 | 5 | 2 | 2 | 3 | 12 | 17.91 |
Total | 1603 | 1470 | 47 | 49 | 15 | 22 | 133 | 8.30 |