Table 2. List of clinical symptoms at the seven farms in Tianjin.
| Farm name | Fever | Cough | Anorexic | Depression | Increase in mortality rate | Decrease in conception rate |
|---|---|---|---|---|---|---|
| Farm-Aa | + | – | + | – | + | + |
| Farm-Bb | + | – | + | – | + | – |
| Farm-Ca | – | – | – | + | – | + |
| Farm-Dc | + | – | + | ++ | ++ | + |
| Farm-Ec | ++ | + | + | ++ | + | ++ |
| Farm-Fa | + | – | + | – | – | + |
| Farm-Gc | ++ | ++ | + | ++ | ++ | ++ |
Notes:
a
Only PCV3 infection was detected on the farm.
b
Only PCV2 infection was detected on the farm.
c
Both PCV2 and PCV3 were detected on the farm.
+/−, positive or negative appearance of clinical symptoms; ++, degree of severity of the demonstrated clinical symptoms.