Skip to main content

Table 2 Histopathologic lesions in organs of piglets after challenge by different viruses

From: Pathogenic characteristics of three genotype II porcine reproductive and respiratory syndrome viruses isolated from China

 Groups

Lung

Lymph node

      
     

Liver

Spleen

Kidney

Stomach

Intestine

Heart

 

++*

+

++

+

      

Group A

0/5

0/5

0/5

0/5

0/5

0/5

0/5

0/5

0/5

0/5

Group B

2/5

3/5

5/5

0/5

3/5

2/5

2/5

3/5

2/5

2/5

Group C

4/5

1/5

4/5

1/5

0/5

1/5

3/5

0/5

3/5

2/5

Group D†

0/5

5/5

0/5

3/5

1/5

0/5

0/5

0/5

1/5

1/5

Group E

5/5

0/5

5/5

0/5

2/5

4/5

4/5

0/5

4/5

3/5

  1. * Histological changes were scored as “+”. The number of “+” represents the severity of impairment.
  2. † In group D, lesions were mainly localized to the lung and lymph nodes. In groups B, lesions were detected in all tissues, groups E and C did not detected stomach lesions, and groups C also did not detected liver lesions.
Back to article page

Virology Journal

ISSN: 1743-422X