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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.