Table 5.

Effect of SSGL on serum immune parameters of broilers.¹

Item	SSGL, mg/kg				SEM	P-value
	0	100	200	500		Multiple range test	Linear	Quadratic
IL-2, ng/L	36.6c	37.9bc	39.4b	41.2a	0.39	<0.001	<0.001	0.48
IgA, g/L	0.281c	0.284bc	0.298a	0.294ab	0.003	0.002	0.001	0.37
IgG, g/L	0.266b	0.268ab	0.277a	0.276a	0.003	0.037	0.007	0.59
IgM, g/L	0.224	0.226	0.229	0.227	0.002	0.62	0.34	0.45

SSGL = sporoderm-broken spores of Ganoderma lucidum; IL-2 = interleukin-2; Ig = immunoglobulin.

^{a, b, c}Means with different superscripts within the same row are different (P < 0.05).

¹Each value represents the mean of 5 replicate values.