Figure 1.

Cytopathic effects of PDCoV isolate in incubated ST cells. ST cells were incubated with the 28th passage of PDCoV HB‐BD. (a), (b) and (c): mock‐inoculated ST cells at p.i. day 1, 2 and 3, respectively. (d), (e) and (f) :HB‐BD‐inoculated ST cells at p.i. day 1, day 2 and day 3, respectively