Table 1 The number of oral fluid PRRSV RT-qPCR positive samples/samples tested in the three MIX herds and in one AIAO herd; Herd D. No positive samples were detected in the AIAO herds E and F

5

1

0/4

0/4

1/4

1/12

0/4

2

0/4

NA^a

1/4

1/8

0/4

3

0/4

0/4

0/4

0/12

0/4

4

0/4

0/4

2/4

2/12

0/4

Total

0/16

0/12

4/16

4/44

0/16

8

1

0/4

0/4

2/4

2/12

0/4

2

1/4

NA^a

2/4

3/8

0/4

3

1/4

2/4

3/4

6/12

0/4

4

0/4

0/4

4/4

4/12

0/4

Total

2/16

2/12

11/16

15/44

0/16

11

1

0/4

4/4

2/4

6/12

0/4

2

3/4

NA^a

1/4

4/8

0/4

3

4/4

4/4

4/4

12/12

2/4

4

0/4

0/4

NA^a

0/8

3/4

Total

7/16

8/12

7/12

22/40

5/16

All samplings

9/48

10/36

22/44

41/128

5/48