Genetic covariance between indices of body condition and immunocompetence in a passerine bird

Table 3 Genetic and non-genetic sources of variance and covariance.

source of variation	immune response b_i ± SE	body condition b_i ± SE	covariance b_i ± SE
σ_AO²	0.034 ± 0.016*	0.149 ± 0.156	0.053 ± 0.024*
σ_DO²	0.069 ± 0.062	0.386 ± 0.526	0.010 ± 0.110
σ_AOAM	-0.044 ± 0.026	0.142 ± 0.178	-0.035 ± 0.029
σ_AM²	0.079 ± 0.046	-0.457 ± 0.346	0.051 ± 0.055
σ²_DM+C	-0.055 ± 0.033	0.465 ± 0.327	-0.018 ± 0.049
σ_E²	-0.038 ± 0.049	0.245 ± 0.385	-0.023 ± 0.080
σ_P²	0.045 ± 0.101	0.929 ± 0.841	0.037 ± 0.159

σ_AO² = additive direct genetic variance, σ_DO² = dominance direct genetic variance, σ_AOAM = direct-maternal additive genetic covariance, σ_AM² = additive maternal (or 'indirect') genetic variance, σ²_DM+C = dominance maternal genetic variance and common environmental variance (maternal and cage), and σ_E² = residual environmental variance. Asterisks denote statistical significance (* p < 0.05)

ISSN: 2730-7182