TABLE 1.
Distribution in tissue of Salmonella serovar Gallinarum (SG9) and spaS and ssaU mutant strains following oral infectiona
| Tissue | SG9 strain | Mean log10 CFU/g of tissue at day postinfection (SEM)
|
|||
|---|---|---|---|---|---|
| 1 | 3 | 7 | 14 | ||
| Spleen | Parent | <1 | 4.05 (0.07) | 4.5 (0.15) | 4.23 (0.09) |
| spaS mutant | <1 | 3.35 (0.13) | 4.59 (0.29) | 4.24 (0.29) | |
| ssaU mutant | <1 | <1 | <1 | <1 | |
| Liver | Parent | <1 | 4.13 (0.11) | 4.33 (0.09) | 4.23 (0.09) |
| spaS mutant | <1 | 3.36 (0.13) | 4.59 (0.22) | 4.38 (0.45) | |
| ssaU mutant | <1 | <1 | <1 | <1 | |
| Cecal content | Parent | 2.90 (0.11) | 1.51 (0.94) | 2.66 (0.67) | 4.51 (0.37) |
| spaS mutant | 3.51 (0.28) | 0.40 (0.40) | 3.59 (0.52) | 5.18 (0.40) | |
| ssaU mutant | 1.55 (0.95) | <1 | <1 | <1 | |
| Ileum | Parent | <1 | 0.65 (0.40) | 3.85 (0.14) | 4.24 (0.04) |
| spaS mutant | 1.24 (0.77) | 0.40 (0.40) | 3.35 (0.97) | 4.82 (0.37) | |
| ssaU mutant | <1 | <1 | <1 | <1 | |
a
Oral infection with 108 CFU in 3-week-old Rhode Island chickens. Viable counts are mean values from five animals at each time point.