TABLE 2.

Pathological and histological observations

Tissue and feature	Result for sheep:
	C1	C2	C3	T1	T2	T3
Liver
Color	Dark	Dark	Dark	Normal	Normal	Normal
Congestion	Marked	Marked	Marked	Mild	Mild	Moderate
Mononuclear cell infiltration	None	Mild	Mild	Very mild	None	None
Lungs
Congestion	Moderate	Severe	Moderate	Mild	Mild	Severe
Texture	Consolidated firm	Consolidated firm	Normal	Normal	Normal	Normal
Atelectasia and focal emphysema	Mild	Mild	None	None	None	None
Perivascular mononuclear cell infiltrate	Mild	Mild	None	None	None	None
Kidneys
Color	Dark	Dark	Dark	Normal	Normal	Normal
Protein inclusions: proximal tubules	Present	None	Present	None	None	None
Heart (multifocal mononuclear cell infiltration)	Mild/moderate	Mild/moderate	Moderate/focally severe	None	Very mild	Very mild