TABLE 2.
Distribution in tissue of Salmonella serovar Gallinarum (SG9) and spaS and ssaU mutant strains following intravenous infectiona
Tissue | SG9 strain | Mean log10 CFU/g of tissue at day post infection (SEM)
|
|||
---|---|---|---|---|---|
1 | 3 | 7 | 14 | ||
Spleen | Parent | 1.00 (0.63) | 2.58 (0.19) | 4.40 (0.23) | 4.54 (0.10) |
spaS mutant | 1.30 (0.81) | 2.32 (0.20) | 3.98 (0.19) | 4.75 (0.26) | |
ssaU mutant | 1.30 (0.53) | <1 | <1 | <1 | |
Liver | Parent | <1 | 1.81 (0.48) | 4.27 (0.28) | 4.68 (0.24) |
spaS mutant | <1 | 1.76 (0.45) | 4.16 (0.28) | 4.56 (0.18) | |
ssaU mutant | <1 | <1 | <1 | <1 | |
Cecal content | Parent | <1 | <1 | <1 | 2.64 (0.0.24) |
spaS mutant | <1 | <1 | <1 | 1.74 (0.72) | |
ssaU mutant | <1 | <1 | <1 | <1 |
Intravenous infection with 104 CFU in 3-week-old Rhode Island chickens. Viable counts are mean values from five animals at each time point.