TABLE 1.
Results of Campylobacter isolation of laboratory-bred beetles exposed by either spray inoculation or feeding on infected apple as the artificial infection method
| Time point (h) | No. of positive samples/no. of samples testeda
|
|||
|---|---|---|---|---|
| Group 1 (spraying)
|
Group 2 (apple fed)
|
|||
| D | E | D | E | |
| 0 | 10/10 | 10/10 | 8/10 | 10/10 |
| 24 | 7/10 | 10/10 | 3/10 | 10/10 |
| 48 | 3/10 | 10/10 | 0/10 | 7/10 |
| 72 | 1/10 | 8/10 | 0/10 | 0/10 |
| 96 | 0/9b | 1/9 | 0/10 | 1/10 |
a
D, direct culture to Karmali agar (each sample consisted of 10 beetles); E, enrichment in Preston broth and culture on Karmali agar.
b
A lower number of groups was tested due to insufficient beetles remaining.