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Table 2 Proportion of Mycobacterium avium subsp. paratuberculosis positive faecal and milk samples according to the detection methods

From: Evaluation of combined high-efficiency DNA extraction and real-time PCR for detection of Mycobacterium avium subsp. paratuberculosis in subclinically infected dairy cattle: comparison with faecal culture, milk real-time PCR and milk ELISA

Animal age group (n)

HYDEqPCR

Faecal culture

Milk qPCR

Milk ELISA

4-10 years (46)

40/46 (87 %)

6/46 (13 %)

18/46 (39 %)

0/46 (0 %)

2-4 years (75)

67/75 (89 %)

15/75 (20 %)

15/45 (33 %)

1/45 (2 %)

≤6 months (20)

18/20 (90 %)

6/20 (30 %)

/

/

All animals (141)

125/141 (89 %)

27/141 (19 %)

33/91 (36 %)

1/91 (1 %)

  1. n: number of animals.