Table 2 Age and species distribution of DuCV positive ducks detected in this study
species | Mulard duck | Cherry Valley pekin duck | Muscovy duck | Mallard duck | All ducks | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Samples in all | positive | Positive rate (%) | Samples in all | positive | Positive rate (%) | Samples in all | positive | Positive rate (%) | Samples in all | positive | Positive rate (%) | Samples in all | positive | Positive rate (%) | |
0 < week≤4 | 99 | 23 | 23.23 | 62 | 11 | 17.74 | 62 | 14 | 22.58 | 69 | 16 | 23.19 | 292 | 64 | 21.92 |
4 < week≤8 | 162 | 65 | 40.12 | 38 | 16 | 42.11 | 82 | 37 | 45.12 | 107 | 44 | 41.12 | 389 | 162 | 41.65 |
Week> 8 | 66 | 35 | 53.03 | 86 | 44 | 51.16 | 15 | 8 | 53.33 | NTa | NTa | NTa | 167 | 87 | 52.10 |
Total | 327 | 123 | 37.61 | 186 | 71 | 38.17 | 159 | 59 | 37.11 | 176 | 60 | 34.09 | 848 | 313 | 36.91 |