Table 2.
Year |
Virus prevalence (%) |
Total | ||||
---|---|---|---|---|---|---|
0 | > 0 and ≤ 25 | > 25 and ≤ 50 | > 50 and ≤ 75 | > 75 and ≤ 100 | ||
2008 |
13 |
2 |
4 |
3 |
2 |
24 |
2009 |
41 |
6 |
3 |
4 |
6 |
60 |
2010 |
51 |
6 |
0 |
1 |
2 |
60 |
Total | 105 | 14 | 7 | 8 | 10 | 144 |
Virus prevalence is expressed as the number of flocks with a virus prevalence included in a percentage range.