Table 1.
Model selection of the virulence experiment based on Akaike information criteria (AIC). The best fit model estimating morbidity risk of the host (rainbow trout or zebra fish) within time is underlined. p value indicates the significance of the term removed from the higher model
| Model | AIC | df | p |
|---|---|---|---|
| H+D+S+NL+H:D+S:D+H:S+NL:H+NL:D+NL:S+H:D:S+NL:H:D+NL:D:S+ H:D:S:NL | 557.08 | 19 | |
| H+D+S+NL+H:D+S:D+H:S+NL:H+NL:D+NL:S+H:D:S+NL:H:D+NL:D:S | 555.65 | 18 | .455 |
| H+D+S+NL+H:D+S:D+H:S+NL:H+NL:D+NL:S+NL:H:D+NL:D:S | 553.79 | 17 | .705 |
| H+D+S+NL+H:D+S:D+H:S+NL:H+NL:D+NL:S+NL:H:D | 550.73 | 15 | .626 |
| H+D+S+NL+H:D+S:D+H:S+NL:H+NL:D+NL:S | 554.90 | 14 | .013 |
| H+D+S+NL+H:D+S:D+NL:H+NL:D+NL:S | 552.91 | 13 | .946 |
| H+D+S+NL+H:D+S:D+NL:D+NL:S | 550.92 | 12 | .924 |
| H+D+S+NL+ H:D+S:D +NL:S | 549.17 | 11 | .618 |
| H+D+S+NL+H:D+NL:S | 546.50 | 9 | .517 |
| H+D+S+NL+NL:S | 544.77 | 8 | .600 |
| H+D+S+NL | 545.53 | 6 | .093 |
H, host; D, dose; S, strain; and NL, nutrient level. + describes the main effects and colon the interactions.