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Table 2 Summary of tissue culture results.

From: Intestinal infection following aerosol challenge of calves with Mycobacterium avium subspecies paratuberculosis

Group Total no. Positive out of 18 CaeV CaeV ln Il 1 Il 1 ln Il 2 Il 2 ln Je 1 Je 1 ln Je 2 Je 2 ln Je 3 Je 3 ln Je 4 Je 4 ln Lu 1 TB Re To
No chal. 0                   
No chal. 0                   
No chal. 0                   
Oral 1           +         
Oral 2           + +        
Oral 1 +                  
Nasal 7    + + + + +      +      +  
Nasal 1     +               
Nasal 1        +            
Nasal 3       +         +     +
Nasal 1       +             
Nasal 4      +        +   +    +  
T-Trach 4          +   +   + +     
T-Trach 2        +          +   
T-Trach 2         +         +   
T-Trach 4     +    + +         +   
T-Trach 3          + +   +       
T-Trach 2            +   +      
  1. MAP presence in tissue was confirmed by IS900 realtime PCR on liquid culture medium. No chal: no challenge, T-trach: transtracheal; CaeV = caecoilio valves, ln = lymph node, Il = ileum, Je = jejunum, Lu = lung, TB = tracheobroncheal lymph node, Re = retropharyngeal lymph node, To = tonsils.