Table 3. Effects of dietary supplementation of grape seed proanthocyanidin on leukocytes profile in broiler chicks^1),2)

	NC	PC	Proanthocyanidin		SEM	p-value
	NC	PC	10ppm	100ppm	SEM	p-value
White blood cell (K/μL)	31.24	26.99	27.32	26.35	0.85	0.33
Heterophil (K/μL)	11.07	9.77	10.08	9.16	0.23	0.33
Lymphocyte (K/μL)	16.93	15.52	15.94	15.13	0.40	0.21
Heterophil/lymphocyte	0.65	0.63	0.63	0.61	0.03	0.08

Data are least squares means of 12 observations per treatment.
NC, antibiotic-free diet; PC, basal diet with avilamycin+salinomycin.