Table 1 The number of herds with infected cows and within-herd prevalence according to the number of cows in a herd
Number of cows in a herd | Number of herds with infected cows | Within-herd prevalence (%) |
|---|---|---|
2 | 3 | 50 (50)* |
4 | 1 | 25 |
5 | 1 | 20 |
6 | 1 | 16.7 |
7 | 1 | 14.3 |
11 | 1 | 9.1 |
13 | 1 | 15.4 |
19 | 1 | 15.8 |
24 | 1 | 25 |