Region | Farm ID | Age category (n) | No. positive/no. tested (%) | Genotype (n) |
---|---|---|---|---|
Jilin Province | 1 | Adults (2), Young (11), Pre-weaned (7) | 2/20 (10 %) | NCF2 (n = 2) |
 | 2 | Adults (8), Young (19), Pre-weaned (9) | 3/36 (8.33 %) | Peru8 (n = 1), Type IV (n = 1), D (n = 1) |
 | 3 | Adults (1), Young (12), Pre-weaned (22) | 2/35 (5.71 %) | Type IV (n = 1), D (n = 1) |
Heilongjiang Province | 4 | Adults (7), Young (17), Pre-weaned (2) | 4/26 (15.38 %) | Peru8 (n = 1), Type IV (n = 1), CHN-DC1 (n = 1), NCF2 (n = 1) |
 | 5 | Adults (9), Young (27), Pre-weaned (7) | 1/44 (2.27 %) | CHN-DC1 (n = 1) |
Hebei Province | 6 | Adults (9), Young (34), Pre-weaned (2) | 9/45 (20.00 %) | Peru8 (n = 2), NCF5 (n = 2), Type IV (n = 2), NCF1 (n = 2), NCF2 (n = 1) |
 | 7 | Adults (15), Young (33), Pre-weaned (9) | 5/57 (8.77 %) | NCF2 (n = 4), NCF3 (n = 1) |
 | 8 | Adults (7), Young (26), Pre-weaned (6) | 11/39 (28.21 %) | D (n = 2), NCF1 (n = 1), NCF2 (n = 5), NCF4 (n = 1), NCF6 (n = 1), NCF7 (n = 1) |
Total |  | Adults (68), Young (178), Pre-weaned (56) | 37/302 (12.25 %) | Peru8 (n = 4), Type IV (n = 5), D (n = 4), CHN-DC1 (n = 2), NCF1 (n = 3), NCF2 (n = 13), NCF3 (n = 1), NCF4 (n = 1), NCF5 (n = 2), NCF6 (n = 1), NCF7 (n = 1) |