From: Prevalence of porcine circovirus type 3 in pigs in the southeastern Chinese province of Zhejiang
Year | No. of samples | No. of positive samples | Positive rate (%) |
---|---|---|---|
2011 | 28 | 0 | 0 |
2012 | 880 | 535 | 60.8 |
2013 | 46 | 27 | 58.7 |
2016 | 663 | 310 | 46.8 |
2017 | 728 | 362 | 49.7 |
Total | 2345 | 1234 | 52.6 |