Table 4.

Average scores for the histopathological changes observed in challenged Bama miniature pigs.

Groups	Heart	Liver	Spleen	Lung	Kidney	Stomach	Bladder	Lymph nodes	Tonsils	Total
A	0.33	1.83	2	2	1.83	0.67	2	2.67	2.33	15.67
B	0	1.8	2.8	2.4	1.2	1.2	1.2	2.4	2.4	15.4
C	0	1.6	2.8	2.4	2.4	0.8	1.8	3	2.2	17
D	1	2	2.75	1.75	2	1.75	1.75	2.5	2.25	17.75
E	0	0	0	0	0	0	0	0	0	0

Samples were fixed in buffered formalin and embedded in paraffin wax. Sections were prepared and stained with H&E for histopathological examination. A histopathological scoring system incorporating seven parameters was used and the severity of the lesions was scored from 0 (no lesion) to 3 (severe lesion).