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Table 1 Detection of MAP in calves by culture of tissues per age and dose group

From: Evaluation of age-dependent susceptibility in calves infected with two doses of Mycobacterium avium subspecies paratuberculosis using pathology and tissue culture

Tissue culture category*

Control

Low dose

High dose

2 weeks

3 months

6 months

9 months

12 months

2 weeks

3 months

6 months

9 months

12 months

0

4

4

2

2

1

2

1

2

4

3

1

1

2

1

3

3

4

3

1

2

 

2

4

2

      

1

1

1

  

3

      

2

    
  1. *0 = no tissue locations culture-positive; 1 = 1–3 tissue locations culture-positive; 2 = 4–6 tissue locations culture-positive; 3 = > 6 tissues culture-positive.