Table 4 Hematological parameters of Nile tilapia-fed diets supplemented with curcumin nanoparticles (CUR-NPs) or Spirulina platensis (SP) for 56 days

RBCs (1 × 10⁶ uL)

3.12 ± 0.05^b

3.73 ± 0.02^a

3.64 ± 0.08^a

0.005

Hb (mg/dL)

7.37 ± 0.42^b

9.37 ± 0.19^a

8.83 ± 0.26^a

0.001

MCH (%)

23.60 ± 1.42

25.14 ± 0.61

24.52 ± 1.07

0.245

Ht (%)

39.00 ± 2.80^b

50.93 ± 0.23^a

48.50 ± 2.72^a

0.002

WBCs (x10³ uL)

18.13 ± 0.94^b

22.07 ± 1.12^a

19.40 ± 0.53^ab

˂0.001

Lymphocytes (%)

65.37 ± 0.74^a

51.23 ± 1.96^b

54.53 ± 1.10^b

˂0.001

Neutrophils (%)

22.50 ± 0.61^b

30.47 ± 1.60^a

28.20 ± 1.10^a

˂0.001

Monocytes (%)

11.40 ± 0.10^b

19.20 ± 0.51^a

18.30 ± 1.10^a

˂0.001