Research Article
First Report of Bovine Leukemia Virus Infection in Yaks (Bos mutus) in China
Table 3
Seroprevalence of bovine leukemia virus (BLV) infection in yaks in different farms in Gansu province, northwestern China.
| | Region | Farm | No. tested | No. positive | Prevalence (%) |
| | Tianzhu | 1 | 220 | 51 | 23.18 | | 2 | 273 | 51 | 18.68 | | 3 | 231 | 44 | 19.05 | | 4 | 250 | 40 | 16.00 |
| | Maqu | 5 | 81 | 19 | 23.46 | | 6 | 147 | 35 | 23.81 | | 7 | 103 | 29 | 28.16 | | 8 | 133 | 32 | 24.06 |
| | Luqu | 9 | 60 | 15 | 25.00 | | 10 | 34 | 8 | 23.53 | | 11 | 52 | 10 | 19.23 |
| | Total | | 1584 | 334 | 21.09 |
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