Table 4 Estimated genetic parameters when male and female total (IgTotal) IgM, and IgG KLH-binding natural antibody titers are treated as genetically different traits in bi-variate analyses (standard errors in parentheses)
From: Divergent selection for natural antibodies in poultry in the presence of a major gene
| Â | IgM | IgG | IgTotal | |||
|---|---|---|---|---|---|---|
Male | Female | Male | Female | Male | Female | |
Phenotypic variance (\({\sigma }_{p}^{2}\)) | 1.28(0.03) | 1.05(0.02) | 1.96(0.04) | 1.93(0.04) | 1.90(0.04) | 1.79(0.03) |
Heritability (\({h}^{2}\)) | 0.30(0.03) | 0.32(0.03) | 0.11(0.02) | 0.14(0.02) | 0.12(0.02) | 0.15(0.02) |
Maternal env. effects (\({m}^{2}\)) | 0.04(0.01) | 0.04(0.01) | 0.03(0.01) | 0.02(0.01) | 0.05(0.01) | 0.02(0.01) |
\({\mathrm{r}}_{\mathrm{a}}\) | 0.96(0.04) | 0.88(0.10) | 0.78(0.11) | |||
\({\mathrm{r}}_{\mathrm{m}}\) | 0.74(0.23) | 0.91(0.42) | 0.86(0.34) | |||