TABLE 5.
Quantitative bacterial counts in tissues of piglets necropsied at 1 day postinoculation with E. coli M623 and M623ΔCNF1
| Organ(s) | Bacterial count (log10 CFU/g)a
|
Difference between groupsb (P) | |
|---|---|---|---|
| M623 (n = 6) | M623ΔCNF1 (n = 7) | ||
| Intestine | |||
| Duodenum | 6.10 ± 0.47 | 5.58 ± 0.70 | 0.56 |
| Jejunum | 4.74 ± 0.67 | 5.42 ± 0.66 | 0.49 |
| Ileum | 7.92 ± 0.45 | 5.45 ± 0.84 | 0.03c |
| Cecum | 9.09 ± 0.21 | 9.41 ± 0.27 | 0.38 |
| Colon | 8.36 ± 0.33 | 8.69 ± 0.38 | 0.54 |
| Intestinal lymph node | |||
| Jejunal | 5.21 ± 0.64 | 5.44 ± 0.53 | 0.78 |
| Ileal | 4.06 ± 1.01 | 5.36 ± 0.30 | 0.21 |
| Spleen | 4.50 ± 0.57 | 4.65 ± 0.29 | 0.81 |
| Lungs | 3.95 ± 0.74 | 3.83 ± 0.24 | 0.86 |
| Liver | 2.95 ± 0.86 | 2.81 ± 0.77 | 0.90 |
| Kidney | 3.78 ± 0.62 | 3.53 ± 0.22 | 0.69 |
a
Data for each organ represents the geometric mean count ± the SEM from a group of six or seven pigs.
b
Student's t tests were realized to compare bacterial counts from tissues of animals inoculated with either of the two strains.
c
P < 0.05 (all other values were not significant).