Table 2.
Initial counts (4 dpf) and persistence (9 dpf) of yeasts in CONV-R and germ-free (GF) larvae.
| Yeast concentration (log10CFU/larva) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Yeast dose | CONV-R + Dh97 | CONV-R + Dh97 + Va | GF + Dh97 | GF + Dh97 + Va | ||||
| log10CFU/mL | 4 dpf | 9 dpf | 4 dpf | 9 dpf | 4 dpf | 9 dpf | 4 dpf | 9 dpf |
| ni | < | < | < | < | < | < | < | < |
| 4 | 2.4 ± 0.2 | 2.5 ± 0.5 | 2.4 ± 0.2 | 3.8 ± 0.0** | − | − | − | − |
| 5 | 3.3 ± 0.1 | 3.4 ± 0.2 | 3.3 ± 0.1 | 3.2 ± 0.3 | − | − | − | − |
| 6 | 3.2 ± 0.1 | 3.6 ± 0.3 | 3.2 ± 0.1 | 2.8 ± 0.0* | 3.0 ± 0.1 | 4,2 ± 0.2*** | 3,0 ± 0.1 | 3.4 ± 0.4 |
| 7 | 3.5 ± 0.1 | 3.8 ± 0.3 | 3.5 ± 0.1 | 3.8 ± 0.1 | − | − | − | − |
| CONV-R + Yl242 | CONV-R + Yl242 + Va | GF + Yl242 | GF + Yl242 + Va | |||||
| 4 dpf | 9 dpf | 4 dpf | 9 dpf | 4 dpf | 9 dpf | 4 dpf | 9 dpf | |
| ni | < | < | < | < | < | < | < | < |
| 4 | 1.9 ± 0.1 | 3.0 ± 0.0** | 1.9 ± 0.1 | 2.8 ± 0.2* | − | − | − | − |
| 5 | 2.1 ± 0.0 | 3.3 ± 0.0** | 2.1 ± 0.0 | 3.0 ± 0.0** | − | − | − | − |
| 6 | 2.3 ± 0.1 | 3.4 ± 0.1** | 2.3 ± 0.1 | 3.2 ± 0.2* | 3.1 ± 0.4 | 3.5 ± 0.2 | 3.5 ± 0.1 | 3.8 ± 0.0** |
| 7 | 2.3 ± 0.0 | 3.3 ± 0.0** | 2.3 ± 0.0 | 3.3 ± 0.3* | − | − | − | − |
Unpaired t-test
*
P ≤ 0.05;
**
P ≤ 0.005;
***
P ≤ 0.001, indicates significant differences between the yeast concentration at 4 and 9 dpf.
ni, larvae not inoculated with yeasts.
<, < 1 (log10CFU/larva).
−, Not determined.