Effects of Dietary Supplement of Basil Extract on Biochemical and Immunological Parameters and Growth Performance in Oncorhynchus mykiss

Table 4

Hematological parameters of trout fed with different concentrations of O. basilicum for 8 weeks.

Parameters/group	Control	Treatment 1%	Treatment 2%	Treatment 3%
RBC 106 ml^−1	1.71 ± 0.032^a	1.81 ± 0.028^a	1.89 ± 0.031^b	1.80 ± 0.027^a
Hb (g dl^−1)	6.39 ± 0.05^a	6.55 ± 0.03^b	6.74 ± 0.01^c	6.48 ± 0.04^ac
HtC (%)	38.3 ± 0.49^a	40.60 ± 0.49^b	42.5 ± 1.04^ab	38.40 ± 0.68^ac
WBC 103 ml^−1	13.80 ± 0.11^a	13.90 ± 0.07^b	14.34 ± 0.15^a	13.80 ± 0.07^ac
Neutrophil (%)	16.57 ± 0.65^a	18.80 ± 0.55^ab	19.89 ± 0.91^b	17.60 ± 0.78^ab
Lymphocyte (%)	80.90 ± 0.55^a	79.60 ± 0.63^b	77.43 ± 0.97^ab	80.60 ± 0.79^ac
Monocyte (%)	1.30 ± 0.21^a	1.30 ± 0.26^a	1.50 ± 0.16^a	1.55 ± 0.24^a
Eosinophil (%)	0.20 ± 0.13^a	0.30 ± 0.15^a	0.40 ± 0.16^a	0.20 ± 0.13^a

Data were presented in mean ± SEM. Different letters in each row mean a significant difference (). RBC, red blood cell; Hb, hemoglobin; HtC, hematocrit; and WBC, white blood cell.