Table 3.
Average number of E. coli isolates from different internal organs of E. coli–vaccinated and control (not vaccinated) chickens.
| Sample | Average number of E. coli isolates |
|
|---|---|---|
| Not vaccinated | Vaccinated | |
| Peritoneum | 0.5 | 0.25 |
| Liver | 0.5 | 0 |
| Heart | 0.25 | 0.08 |
| Lungs | 1 | 1 |
| Hip joint | 0.42 | 0 |
| Hock | 0.25 | 0 |
| Intestinum | 3 | 2.92 |
| Suborbital sinus | 0.67 | 0.83 |
| Trachea | 2.33 | 1.58 |
The average value was calculated based on the results from all 3 production cycles and 2 samplings (in third and sixth weeks of birds' life) at both F1 and F2 during experiment 1.
Abbreviation: E. coli, Escherichia coli.