Herd (station) | Type of production | Apprx nr animals | Nr seropos. animals | Year herd detected | Epidemiol. connection to | Type of contact | Cause of detection |
---|---|---|---|---|---|---|---|
A | AI station | 30 | 10 | 1970 | abroad | import1 | Clinical suspicion |
B | Dairy and beef | 450 | 79 | 1990 | A | s2 | Clinical suspicion |
C | Dairy | 25 | 1 | 1991 | B | p, a3 | Contact herd of B |
D | Dairy | 50 | 6 | 1990 | E | a4 | BTM antibody pos. |
E | Beef, calf rearing | 55 | 2 | 1991 | A, D | s | Contact herd of D |
F | Dairy | 15 | 2 | 1990 | A | s | BTM antibody pos. |