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Table 1 Real-time PCR and conventional PCR results in group samples on farms where PCV3 was detected

From: A molecular survey and phylogenetic analysis of porcine circovirus type 3 using oral fluid, faeces and serum

 

pig category

Total samples by farm (pos./tested)a

5w

7w

9w

11w

13w

fatteners

b. sows

OF

sera (pos./all)

faeces

farm no.

1

34.95

+

2/10

34.5

+

3/10

37.44

-

0/10

36.54

+

0/10

38.19

-

0/10

37.84

-

0/10

33.68

+

5/10

7/7

10/70

neg.

neg.

neg.

neg.

neg.

neg.

neg.

0/7

2

neg.

0/10

neg.

0/10

neg.

0/10

neg.

0/10

neg.

0/10

39.31

-

0/10

neg.

0/10

1/7

0/70

neg.

neg.

neg.

neg.

neg.

neg.

neg.

0/7

4

30.39

+

4/10

32.52

+

4/10

38.34

-

0/10

neg.

0/10

32.07

+

2/10

neg.

0/10

31.85

+

3/10

5/7

13/70

37.00

-

36.1

+

neg.

neg.

36.38

-

neg.

37.04

-

4/7

5

37.72

-

0/10

33.54

+

0/10

39.16

-

0/10

38.23

-

0/10

neg.

0/10

38.11

-

0/10

39.7

-

0/10

6/7

0/70

neg.

38.37

-

neg.

neg.

neg.

neg.

neg.

1/7

6

27.96

+

3/8

N/A

N/A

33.42

+

3/9

37.95

+

2/10

36.41

-

0/10

35.32

+

0/10

37.49

+

0/10

6/6

8/57

32.9

+

N/A

36.45

-

neg.

neg.

neg.

38.2

-

3/6

Total samples/category

OF

Sera (pos./all)

4/5

9/48

3/4

7/40

4/5

3/49

3/5

2/50

3/5

2/50

4/5

0/50

4/5

8/50

25/34 (73.5%)

31/237 (13.1%)

faeces

2/5

2/4

1/5

0/5

1/5

0/5

2/5

8/34 (23.5%)

  1. The numerical value in OF/faeces cell represents a Ct value obtained with real-time PCR.
  2. The symbol in the OF/faeces cell represents the result of conventional PCR testing (+ = positive, − = negative, [no symbol] = not tested),
  3. The right part of the cell represents a number of positive individual sera compared to all tested sera with conventional PCR testing.
  4. N/A = category not available for testing at the farm.
  5. neg negative.
  6. pos positive.
  7. aall the samples from Farm 3 are PCV3 negative farm are excluded from the table