Table 2. Levels of microscopic change occurrence in livers of chickens inoculated with FAdV (MOR300315 strain) from 4 to 28 days post-challenge.

dpi	Microscopic changes
	Individual, extensive hepatocyte necrosis	Multifocal hepatocyte necrosis and inflammatory cell infiltrate	Basophilic intranuclear inclusion bodies	Inflammatory cell infiltrate of portal spaces
4b	1/1	-	1/1	1/1
6	-	5/5a	-	5/5
9	-	-	-	5/5
13	-	-	-	5/5
16	-	1/5	-	3/5
20	-	-	-	-
28	-	-	-	-

^a No. birds positive/no. birds examined;

^bLiver sample taken from dead chicken at 4 dpi.