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Table 3 Reported test characteristics for herd-level tests for MAP, adapted from [21]

From: Mycobacterium avium subspecies paratuberculosis infection in cattle – a review in the context of seasonal pasture-based dairy herds

Screening test

Herd sensitivity (%)

Herd specificity (%)

Whole-herd ELISAa

56–95

0–96

Whole-herd ELISA + PCRa

60–86

100c

BMT ELISA

8–30

95–100

BMT PCR/culture

0–77

100c

Pooled faecal testinga

54–94

100c

Environmental samplingb

24–79

100c

  1. aFrom field studies using culture methods as a reference test
  2. bFrom studies evaluating a protocol using six composite samples
  3. cHerd specificity can be assumed to be 100% due to direct detection of MAP bacteria