TABLE 1.
Genetic variation in sigma virus infection and transmission rates
| Trait | Parent | Offspring | ref(2)P | Vg (95% confidence interval) | CVg (%) |
|---|---|---|---|---|---|
| Paternal transmission | Heterozygous | Homozygous | In modela | 0.002 (0.000–0.077) | 8 |
| Not in model | 0.053 (0.032–0.088) | 44 | |||
| Paternal transmission | Homozygous | Heterozygous | In modela | 0.022 (0.015–0.032) | 50 |
| Not in model | 0.023 (0.016–0.033) | 50 | |||
| Infection following injection | Homozygous | — | Only susceptible lines | 0.009 (0.004–0.022) | 64 |
a
The presence or absence of the ref(2)P allele that confers resistance to the sigma virus was a fixed effect in the model and is therefore not contributing to the estimate of Vg.