Table 2. Effect of dietary Bacillus subtilis and oregano essential oil supplementation in composition of leukocyte profile of late-phase laying hens

		WBC	HE	LY	HE/LY	MO
Egg production
H		14.04	2.13	11.09	0.18	1.44
A		16.32	2.06	10.96	0.17	1.42
SEM		0.939	0.260	0.621	0.014	0.119
Additive
CON		13.74	2.07	10.95	0.16	1.28
BS		15.30	1.99	10.61	0.18	1.51
OEO		16.50	2.22	11.53	0.19	1.51
SEM		1.151	0.319	0.761	0.017	0.146
Egg production×Additive
H	CON	11.1	1.67	10.05	0.15	1.22
	BS	15.15	2.39	11.39	0.2	1.55
	OEO	15.86	2.32	11.85	0.19	1.55
A	CON	16.38	2.47	11.86	0.18	1.34
	BS	15.44	1.59	9.82	0.15	1.47
	OEO	17.15	2.13	11.21	0.18	1.46
SEM		1.672	0.451	1.076	0.024	0.206
P-values
Egg production		0.0917	0.8587	0.8829	0.6760	0.9060
Additive		0.2447	0.8712	0.6877	0.7066	0.4426
Interaction		0.2771	0.2095	0.2779	0.2918	0.8462