Table 2.
Clinical observation records of 5-day-old pigs challenged with PDCoV strain CHN-HN-2014.
| DPI | Clinical observation | Fecal consistency |
||
|---|---|---|---|---|
| Normal | Mild diarrhea | Watery diarrhea | ||
| 0 | All active and eating well | 8/8 | 0/8 | 0/8 |
| 1 | All active; 25% vomiting and anorexia | 4/8 | 4/8 | 0/8 |
| 2 | 25% lethargy, vomiting and anorexia | 2/8 | 4/8 | 2/8 |
| 3 | 75% lethargy, vomiting and anorexia | 1/8 | 4/8 | 3/8 |
| 4* | All lethargy; 83% vomiting and anorexia | 0/6 | 2/6 | 4/6 |
| 5 | All lethargy; 83% vomiting and anorexia | 0/6 | 2/6 | 4/6 |
| 6 | All lethargy; 83% vomiting and anorexia | 2/6 | 2/6 | 2/6 |
| 7 | 50% lethargy and anorexia | 4/6 | 2/6 | 0/6 |
| 8 | All active and eating well | 6/6 | 0/6 | 0/6 |
| 9–21 | All active and eating well | 6/6 | 0/6 | 0/6 |
*
Two pigs were necropsied at 4 days post inoculation.