Table 2 PCV2 infections in different ages of pigs from Yunnan from 2016 to 2019
Ages of pigs | Positive samples | Total samples | Positive rate (%) |
|---|---|---|---|
Nursery pigs | 51 | 82 | 62.20 |
Fattening pigs | 84 | 134 | 62.69 |
Milking sows | 10 | 26 | 38.46 |
Aborted pigs | 25 | 37 | 67.57 |
Total | 170 | 279 | 60.93 |