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Table 2 Results of culture, ELISA, ZN, IS900 PCR and qPCR in MB tissues

From: Comparison of a quantitative real-time polymerase chain reaction (qPCR) with conventional PCR, bacterial culture and ELISA for detection of Mycobacterium avium subsp. paratuberculosis infection in sheep showing pathology of Johne’s disease

Sr.No

Animal Id

Pathological Type

Culture

ELISA (SP)

ZN

IS900 PCR

qPCR

Int.

MLN

1

AV1

Multibacillary

+

232.73

+

+

1.399 × 104

5.008 × 104

2

AV2

Multibacillary

+

95.57

+

+

2.274 × 104

2.738 × 104

3

AV3

Multibacillary

+

151.54

+

+

9.09 × 104

5.653 × 103

4

AV9

Multibacillary

-

115.2

+

+

1.85 × 104

1.77 × 103

5

AV10

Multibacillary

-

128.12

+

+

9.69 × 103

1.553 × 103

6

AV11

Multibacillary

+

119.24

+

-

1.26 × 105

2.558 × 103

7

AV12

Multibacillary

-

135.24

+

+

3.42 × 104

1.974 × 103

8

AV13

Multibacillary

-

176.73

+

+

4.482 × 104

1.994 × 103

9

AV14

Multibacillary

+

135.24

+

+

5.53 × 104

6.014 × 103

10

AV22

Multibacillary

+

103.81

+

+

7.056 × 105

1.491 × 105

11

AV23

Multibacillary

+

160.41

+

+

8.536 × 105

9.758 × 104

12

AV25

Multibacillary

+

120.11

+

+

2.276 × 104

1.411 × 105

13

AV26

Multibacillary

-

139.56

+

+

1.092 × 106

4.682 × 103

14

AV28

Multibacillary

+

120.31

+

+

1.383 × 105

1.771 × 104

15

AV29

Multibacillary

-

80.08

+

+

6.265 × 105

1.285 × 105

16

AV31

Multibacillary

+

131.55

+

+

8.765 × 104

5.009 × 103

17

AV32

Multibacillary

+

84.62

+

+

7.193 × 105

1.137 × 105

18

AV34

Multibacillary

+

90.79

+

+

4.043 × 104

4.590 × 104

19

AV36

Multibacillary

+

70.42

+

+

6.313 × 105

3.278 × 105

20

AV42

Multibacillary

-

NT

+

-

7.122 × 104

7.729 × 105

21

AV43

Multibacillary

-

NT

+

-

1.040 × 103

8.026 × 103

22

AV45

Multibacillary

-

NT

+

-

2.31 × 103

1.859 × 103

23

AV52

Multibacillary

+

NT

+

+

2.059 × 105

3.876 × 104

  1. Int = Intestine, MLN = Mesenteric lymph node, NT = Not tested, + = Positive, - = Negative, SP > 70 is positive.