Figure 1.

Clinical signs observed in D35 pigs: (a) purpura, subcutaneous oedema and absence of facial whiskers (12-09, stillborn); (b) purpura (17-11, stillborn); (c) subcutaneous oedema—most evident ventrally (12-10, 1 day old); (d) remaining pigs at 7 weeks of age with stunting of 6 smaller pigs compared with the 2 larger, non-PI pigs; (e) 26-day-old pig with purplish discolouration of the ears and snout (17-03); (f) same pig as (e) with purplish discolouration ventrally and on hind-quarters; and (g) 16-07 (62 days old) with mass under left eye, resulting in closure of the eyelids (arrow).