Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Summary of sample results from the visits to nine outdoor pigs herds
| Visit | Average number of days since previous visit | Number of samples | Number of Salmonella positive | Per cent positive (%) | Number of ST/MST/SE positive | Per cent positive (%) |
|---|---|---|---|---|---|---|
| Visit 1 | – | 2562 | 758 | 29·6 | 282 | 11·0 |
| Visit 2 | 114 | 1947 | 330 | 16·9 | 124 | 6·4 |
| Visit 3 | 149 | 2031 | 436 | 21·5 | 181 | 8·9 |
| Visit 4 | 119 | 2009 | 526 | 26·2 | 150 | 7·5 |
