Table 2.

Organs in which tumors were found in visceral MD.

References	Region	Species	Liver	Spleen	Bursa of Fabricius	Kidney	Skin	Heart	Gizzard	Intestine	Lung
[35]	China	layer	y	y	y	*	toe	*	*	*	*
[42]	China	Crane	y	*	*	*	leg	y	y	*	*
[30]	China	broiler	y	y	*	y	*	y	y	*	*
[49]	China	broiler	y	*	*	*	*	y	*	y	*
[29]	India	layer	y	*	y	*	*	*	*	*	*
[32]	India	layer	*	*	*	*	leg	*	*	*	y
[36]	India	layer	y	y	y	*	*	*	*	y	*
[44]	India	layer	y	y	*	y	*	*	*	*	y
[41]	Turkey	layer	y	y	*	y	*	*	y	*	*
[53]	Turkey	broiler	y	y	*	*	*	y	*	*	*
[24]	Japan	broiler	y	y	*	y	*	*	y	y	*
[33]	Bangladesh	broiler	*	*	y	*	y	*	*	*	*
[46]	Malaysia	broiler	y	y	y	*	*	*	*	*	*
[54]	Pakistan	broiler	*	y	*	*	*	*	*	*	*

Note: * represents no available data in the study; “y” represents the tumor was identified in the organs.