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Table 1 MAP culture results detected by F57-specific qPCR for fecal and tissue samples and INF-γ detection from whole blood samples

From: Quantifying transmission of Mycobacterium avium subsp. paratuberculosis among group-housed dairy calves

Pen Calf ID IN:CE MAP detection with F57 qPCR following culture of individual fecal samples
Days following group housing
0 3 5 7 10 12 14 17 19 21 24 26 28 31 33
1 1 IN I   C I   C   C    C I I   C
1 2 IN     C I I   C I   C I I I I
1 15 CE         C I       
1 16 CE          C       
2 3 IN   C I I    C I I I I I I   C
2 4 IN I   C    C I I I I I I I   C
2 17 CE     C   C I        C I
2 18 CE       C       C    C
3 5 IN      C   C I   C I I I I I
3 6 IN        C I I I I I I I I
3 19 CE       C I         
3 20 CE        C       C   C
4 7 IN I    C I     C I I   C   
4 8 IN I I   C I I I I I I I I I I I
4 21 CE             C   C I
4 22 CE    C     C      C   C  
5 9 IN     C I    C I I    C I I
5 10 IN     C   C I I I I I I I I I
5 23 CE               C  
5 24 CE     C        C    C  
6 11 IN       C   C   C     C  
6 12 IN I       C C   C I     C
6 25 CE          C      C  
6 26 CE              C   
7 13 IN   C     C    C I I   C   C
7 14 IN    C I    C    C I I I   C
7 27 CE      C    C    C    C  
7 28 CE          C   C     
Pen Calf ID IN:CE MAP detection with F57 qPCR following culture of individual fecal samples
Days following group housing
35 38 40 42 45 47 49 52 54 56 59 61 63 66 68
1 1 IN I I I I I I I I I       
1 2 IN   C I I I   C I I I   C    
1 15 CE C I    C   C         
1 16 CE   C I I I       C     
2 3 IN I I I I I I I        C  
2 4 IN I I I I   C I   C I I I I   
2 17 CE I I I            C  
2 18 CE I              C  
3 5 IN I I I I I I I I I I I I I I I
3 6 IN I I I I I I I         
3 19 CE    C             
3 20 CE    C           C   
4 7 IN C I I       C   C     
4 8 IN I I I        C      
4 21 CE    C       C       
4 22 CE                
5 9 IN    C I I I I I I I   C    
5 10 IN I I I I   C I I I I   C I I I
5 23 CE     C            
5 24 CE            C     
6 11 IN C       C     C     
6 12 IN I    C   C I I I     C   
6 25 CE         C        
6 26 CE                
7 13 IN I I I I   C I I I       
7 14 IN I I     C    C     C   
7 27 CE   C          C     
7 28 CE              C   
Pen Calf ID IN:CE MAP detection with F57 qPCR following culture of individual fecal samples INF-ƴ Tissue culture
Days following group housing
70 73 75 77 80 82 84 87 89 91 94 96 101
1 1 IN               + +
1 2 IN               + +
1 15 CE               +
1 16 CE        C       
2 3 IN               + +
2 4 IN               + +
2 17 CE     C           + +
2 18 CE         C       + +
3 5 IN I I   C           + +
3 6 IN   C             + +
3 19 CE               +
3 20 CE        C        + +
4 7 IN               + +
4 8 IN               + +
4 21 CE               +
4 22 CE   C             +
5 9 IN               + +
5 10 IN I   C I     I       + +
5 23 CE               +
5 24 CE              
6 11 IN               + +
6 12 IN C              + +
6 25 CE     C          
6 26 CE C       C        +
7 13 IN     C           + +
7 14 IN               + +
7 27 CE              
7 28 CE       C        
  1. “I” indicate an infectious animal and “C” indicates a new shedding event. CE calves were individually housed 87 days following group housing (italic).
  2. CE contact exposed, IN inoculated.