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Table 2 Results of lymphoid lesion score and the number of in situ hybridization (ISH) positive cells for PCV2a and PCV2b at 21 dpc

From: Effect of porcine circovirus type 2 (PCV2) vaccination on PCV2-viremic piglets after experimental PCV2 challenge

Challenge status

Group

Lymphoid lesion score

In situ hybridization score

PCV2a

PCV2b

2a

7

0.47 ± 0.35a,b

0.71 ± 1.25b

10.42 ± 5.22b

 

8

0.51 ± 0.42a,b

0.85 ± 1.46b

11.14 ± 5.89b

 

11

0.71 ± 0.69a,b

8.14 ± 6.06a

10.7 ± 5.93b

 

13

1.57 ± 0.53c

30.71 ± 10.96c

0.0 ± 0.0a

2b

1

0.53 ± 0.52a,b

9.14 ± 6.56a

2.0 ± 2.51a

 

2

0.43 ± 0.53a,b

7.28 ± 6.87a

2.42 ± 3.1a

 

5

0.86 ± 0.48b

8.42 ± 5.15a

7.14 ± 4.14b

 

14

2.00 ± 0.81c

0.0 ± 0.0b

37.29 ± 8.96c

Non-challenged

3

0.29 ± 0.49a

5.71 ± 6.23a

0.0 ± 0.0a

 

4

0.23 ± 0.41a

6.14 ± 5.49a

0.0 ± 0.0a

 

6

0.31 ± 0.37a

8.57 ± 6.07a

0.0 ± 0.0a

 

9

0.35 ± 0.39a,b

0.0 ± 0.0b

8.85 ± 5.17b

 

10

0.41 ± 0.38a,b

0.0 ± 0.0b

7.14 ± 4.77b

 

12

0.43 ± 0.49a,b

0.0 ± 0.0b

9.14 ± 5.27b

 

15

0.0 ± 0.0a

0.0 ± 0.0b

0.0 ± 0.0a

  1. Different letters (a, b, and c) indicate significant (P < 0.05) difference among groups.