Table 4.

Effect of experimental groups on relative lymphoid organ weights and cell-mediated immunity by response of skin to dinitrohlorebenze (DNCB) and wing web swelling by phytohemagglutinin (PHA

Treatment	Increase in skin thickness (%) to PHA and DNCB			Relative lymphoid organ weights (g per 100 g body weight)
	PHA	DNCB		Bursa	Spleen
PE1	0.65	1.81bc		0.09	0.09
PE2	0.55	1.75bc		0.10	0.08
PO1	0.64	2.32ab		0.09	0.09
PO2	0.83	2.46ab		0.10	0.08
RJ	0.30	1.53c		0.14	0.09
V	0.94	2.26abc		0.12	0.08
H	0.76	2.67a		0.10	0.06
C	0.74	1.55c		0.11	0.07
SEM	0.0629	0.0884		0.0046	0.0032
p -value	0.3282	0.0001		0.2307	0.1231

PE1: 1000 and PE2: 5000 mg kg^-1 ethanolic extract of propolis, PO1: 1000 and PO2: 5000 mg kg^-1 pollen powder, RJ: 100 mg kg^-1 royal jelly, H: honey 22 g L^-1, C: control and V: virginiamycin 150 mg kg^-1. SEM: Standard error of mean.

^abcd different superscripts indicate statistically differences in each column (p < 0.05).