Table 2.

Genetic parameters estimated from all data with the best linear unbiased prediction (BLUP) model.

Trait 1	σa 2		σe 3		h 4
	Component	Std. Error	Component	Std. Error	Estimate	Std. Error
Ab-AIV	0.662	0.261	1.764	0.245	0.273	0.101
Ab-NDV	0	0	1.593	0.115	0	0
SRBC	0.263	0.128	1.157	0.131	0.185	0.087
H/L	0.022	0.009	0.064	0.008	0.265	0.100
IgG	0.006	0	9409.678	617.111	0	0
SII	0.001	0	0.001	0	0.631	0.110
TII	0.009	0.003	0.022	0.003	0.281	0.098
TW	1.546	0.722	6.233	0.726	0.199	0.089
SW	0.223	0.052	0.166	0.038	0.573	0.109

¹ Ab-AIV, antibody response to avian influenza virus; Ab-NDV, antibody response to Newcastle disease virus; SRBC, sheep red blood cell antibody titer; H/L, the ratio of heterophils to lymphocytes; IgG (ng/ml), immunoglobulin G; SII (%), spleen immune index; TII (%), thymus immune index; TW (g), thymus weight at 100 d; SW (g), spleen weight at 100 d. ² the variance of additive genetic effects. ³ the variance of residuals. ⁴ heritability.