From: Evaluation of the performance of the IFN-γ release assay in bovine tuberculosis free herds from five European countries
Region
Total animals
Total herds
Dairy
Beef
Animals
Herds
A
1225
11
649
5
576
6
B
1202
45
607
9
595
36
C
512
8
112
2
400
D
495
3
498
–
E
376
378
F
489
12
380
10
109
Total
4299
84
2619
34
1680
50