Table 2.
Breakdown of Salmonella isolates by production/processing stage from ABF and conventional production systems
| Production stagea | Frequencyb (n) | % positive |
|---|---|---|
| Farrowing | 1,112 | 16.9 |
| Nursery 1 | 1,026 | 15.6 |
| Nursery 2 | 974 | 14.8 |
| Finishing 1 | 986 | 14.9 |
| Finishing 2 | 913 | 13.8 |
| Slaughter | 672 | 10.21 |
| Postevisceration | 454 | 6.9 |
| Postchilling | 454 | 6.7 |
a
Farrowing includes fecal samples from sows and piglets and environmental samples; nursery 1 and 2 and finishing 1 and 2 include fecal and environmental samples; slaughter includes mesenteric lymph node, lairage, and truck swabs.
b
Total number of samples collected from pigs and the environment.