Table 1.

The effect of line on IgM and IgG titers of plasma samples collected from high (H) line and low (L) line hens at 35 wk of age (n = 15 hens per line).

Antigen	Line	LSMeans	SE	P-value	Remarks
PC-BSA IgM	H	9.15	0.22	***	H > L
	L	7.11
PC-BSA IgG	H	7.95	0.39	**	H > L
	L	6.27
KLH IgM	H	8.47	0.25	***	H > L
	L	6.26
KLH IgG	H	7.59	0.48	***	H > L
	L	5.08
dsDNA IgM	H	9.15	0.41	***	H > L
	L	6.86
dsDNA IgG	H	8.78	0.51	**	H > L
	L	6.77
PC-OVA IgM	H	7.31	0.25	***	H > L
	L	5.53
PC-OVA IgG	H	6.87	0.45	*	H > L
	L	5.35
OVA IgM	H	8.80	0.28	***	H > L
	L	7.05
OVA IgG	H	6.33	0.40	**	H > L
	L	4.43

*P < 0.05, **P < 0.01, ***P < 0.001