TABLE 4.
PRRSV isolation from BAL and serum specimensc
| Group | No. of pigs from which PRRSV was isolated from BALa specimens/total no. of pigs | No. of pigs from which PRRSV was isolated from serum specimensb at indicated times/total no. of pigs
|
|||
|---|---|---|---|---|---|
| 0 DPI | 7 DPI | 14 DPI | 28 DPI | ||
| 1 | 0/11 A | 0/11 A | 0/11 A | 0/11 A | 0/11 A |
| 2 | 8/11 C | 0/11 A | 11/11 B | 4/4 B | 2/4 A, B |
| 3 | 7/11 C | 0/11 A | 11/11 B | 11/11 B | 1/6 A, B |
| 4 | 9/11 C | 0/11 A | 10/11 B | 6/7 B | 3/5 B |
| 5 | 2/11 A, B | 0/11 A | 11/11 B | 9/11 B | 0/10 A |
| 6 | 4/10 B, C | 0/10 A | 10/10 B | 7/7 B | 3/6 B |
| 7 | 8/11 C | 0/11 A | 11/11 B | 5/6 B | 0/2 C |
a
Bronchoalveolar lavage fluid collected at necropsy.
b
Sera was collected from the remaining live pigs at 0, 7, 14, and 28 DPI.
c
Within each column, values followed by letters (A, B, C, and D) are significantly different from other values followed by a different letter(s) (P < 0.05).