From: Shedding patterns of dairy calves experimentally infected with Mycobacterium avium subspecies paratuberculosis
2Â weeks
3Â months
6Â months
9Â months
12Â months
Total
Low dose
4* (80%)
4 (80%)
2 (40%)
1(20%)
15 (60%)
High dose
5 (100%)
3 (60%)
1 (20%)
17 (68%)
9 (90%)
8 (80%)
7 (70%)
3 (30%)
5 (50%)