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Table 1 Number of Mycobacterium avium subspecies paratuberculosis fecal culture and tissue culture-positive calves in the 3 experimental groups

From: Fecal shedding and tissue infections demonstrate transmission of Mycobacterium avium subsp. paratuberculosis in group-housed dairy calves

Calf status Fecal culturea Tissue cultureb
1 2 3 4 0 1 2 3
Inoculated (n = 14) 0 1 3 10 0 1 4 9
Contact-exposed (n = 14) 3 10 1 0 7 7 0 0
Control (n = 4) 4 0 0 0 4 0 0 0
  1. a1, calves with 0–4 fecal culture positive samples; 2, calves with 5–9 fecal culture-positive samples; 3, calves with 10–14 culture-positive samples; and 4, calves with ≥ 15 fecal culture-positive samples.
  2. b0, calves with 0 tissue culture-positive samples; 1, calves with 1–3 tissue culture-positive samples; 2, calves with 4–6 tissue culture-positive samples; and 3, calves with > 6 tissue culture-positive samples.