Table 5. Effects of dietary Boesenbergia rotunda extract supplementation on hematological parameters of hybrid catfish

Parameters	B. rotunda extract (mg/kg diet)
Parameters	0	250	500
WBC (× 10⁴ /µL)	4.91 ± 0.90^b	6.39 ± 0.81^a	6.21 ± 0.84^a
RBC (× 10¹² /µL)	2.78 ± 0.08^b	3.99 ± 0.02^a	3.73 ± 0.05^a
Hb (g/dL)	12.33 ± 0.03^b	15.18 ± 0.04^a	14.54 ± 0.02^a
Hct (%)	33.22 ± 0.16^b	36.60 ± 0.17^a	35.50 ± 0.14^a

Data presented as mean ± SEM.
Mean with different superscripts in the same row are significantly different at p < 0.05.
n = 9 per treatment.
WBC, white blood cells; RBC, red blood cells; Hb, hemoglobin; Hct, hematocrit.