Table 1.

The macroscopic characteristic lesions at given days post inoculation (dpi).

dpi	PAstV-Challenged	Control
2 d	Stomach bloat, gastric capillary congestion, small intestine bloat containing yellow foam liquid, mesenteric congestion	Mildly flatulence in individual pigs of the small intestine
4 d	Stomach bloat, gastric capillary congestion, small intestine bloat containing yellow foam liquid, mesenteric congestion, cecum slightly flatulent	No lesions
7 d	Yellow liquid contained in individual pigs of the small intestine	No lesions
10 d	No lesions	No lesions