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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.