Table II.
Proportions of pigs with each type of PCV viremia according to body weight
| Virus genotype; weight group; proportion (and percent) of tested pigs with viremia
|
||||||
|---|---|---|---|---|---|---|
| PCV2a
|
PCV2b
|
|||||
| Farm | Light | Heavy | P-value | Light | Heavy | P-valuea |
| A | 3/30 (10) | 5/30 (17) | 0.157 | 8/30 (27) | 2/30 (7) | 0.097 |
| B | 1/30 (3) | 1/30 (3) | 1.0 | 10/30 (33) | 7/30 (23) | 0.083 |
| C | 3/30 (10) | 4/30 (13) | 0.317 | 28/30 (93) | 28/30 (93) | 1.0 |
| D | 3/28 (11) | 0/28 (0) | 0.083 | 27/28 (96) | 16/28 (57) | 0.001 |
| E | 2/29 (7) | 0/29 (0) | 0.157 | 28/29 (97) | 3/29 (10) | 0.001 |
| F | 2/28 (7) | 2/28 (7) | 1.0 | 16/28 (57) | 12/28 (43) | 0.046 |
| G | 0/30 (0) | 0/30 (0) | 1.0 | 6/30 (20) | 4/30 (13) | 0.157 |
| Total | 14/205 (7) | 12/205 (6) | 0.157 | 123/205 (60) | 72/205 (35) | 0.001 |
a
Values in bold face indicate a significant difference between the weight groups.