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Table 2 Descriptive statistics heifer (calves) exposure to MAP at parturition

From: Dam Mycobacterium avium subspecies paratuberculosis (MAP) infection status does not predetermine calves for future shedding when raised in a contaminated environment: a cohort study

MAP status dam at parturition MAP status calves
Colostrum PCR Colostrum ELISA Faecal PCR N Positive N % positive
+ - - 20 5 25%
+ + + 4 3 75%
+ - + 18 5 28%
+ + - 14 4 28%
- + - 12 5 42%
- - + 12 0 0%
- + + 9 3 34%
- - - 28 10 36%
  1. Exposure of heifer- (calves) to MAP, as assessed by the dams infection status during parturition, and their cumulative infection status determined by MAP PCR of faeces at 1 and 2 years of age. -: test negative; +: test positive.