Effects of dietary supplementation with rice bran oil on the growth performance, blood parameters, and immune response of broiler chickens

Table 4 Blood parameter of broiler chickens fed the diet containing rice bran oil (RBO)^a

Items	Dietary treatments^b				Pooled SEM^c	P-value
Items	0	5	10	20	Pooled SEM^c	Linear	Quadratic
Leukocytes^d
WBC (K/μL)	14.34	12.27	13.62	14.97	1.70	0.61	0.56
HE (K/μL)	0.28	2.15	2.23	2.06	0.30	<0.01	<0.01
LY (K/μL)	3.75	8.78	9.56	6.65	0.91	<0.01	<0.01
MO (K/μL)	0.30	1.14	1.35	0.91	0.13	<0.01	<0.01
EO (K/μL)	0.01	0.18	0.16	0.27	0.04	0.98	0.24
BA (K/μL)	0.00	0.03	0.02	0.04	0.02	0.18	0.25
Erythrocytes^e
RBC (M/μL)	2.48	2.54	2.61	2.27	0.09	0.65	0.20
Hb (g/dL)	9.83	10.03	10.07	9.40	0.26	0.76	0.25
HCT (%)	24.47	25.03	25.17	22.90	0.87	0.99	0.12
MCV (fL)	98.60	98.43	96.80	100.95	1.64	0.54	0.78
MCH (pg)	39.70	39.43	38.67	41.50	0.82	0.18	0.30
MCHC (g/dL)	40.23	40.10	40.00	41.05	0.79	0.46	0.36

^aData are least squares means of 6 observations per treatments
^bBasal diet was supplemented with RBO at 5, 10, or 20 g/kg
^cPooled standard error of the means
^dLeukocytes: WBC white blood cells, HE heterophils, LY lymphocytes; heterophil : lymphocytes; MO monocytes, EO eosinophils, BA basophils
^eErythrocytes: RBC red blood cells, Hb hemoglobin, HCT hematocrit, MCV mean corpuscular volume, MCH mean corpuscular hemoglobin, MCHC mean corpuscular hemoglobin concentration