Table 3 Haematological indices of rainbow trout, Oncorhynchus mykiss fingerlings fed diets containing varying levels of dietary valine for 8-weeks (mean values of 3 replicates + SEM; n = 3)*

From: Dietary valine improved growth, immunity, enzymatic activities and expression of TOR signaling cascade genes in rainbow trout, Oncorhynchus mykiss fingerlings

 

Dietary val levels (g kg−1)

Initial

10.5

13.0

15.5

18.0

20.5

23.0

P-value

Hb (g dL−1)a

5.05 ± 0.06

6.78 ± 0.04d

8.58 ± 0.06c

9.89 ± 0.07b

10.96 ± 0.12c

9.54 ± 0.11b

9.08 ± 0.13bc

0.01154

Hct (%)b

20.32 ± 0.13

22.40 ± 0.12d

27.10 ± 0.12c

31.16 ± 0.08b

35.12 ± 0.19a

32.09 ± 0.14b

23.25 ± 0.08d

0.00318

RBC (mm h−1)c

1.45 ± 0.03

1.58 ± 0.06cd

1.89 ± 0.06c

2.18 ± 0.07b

2.63 ± 0.06a

2.36 ± 0.04b

2.13 ± 0.06b

0.01418

WBC (× 103/mm3)d

2.49 ± 0.12

3.15 ± 0.05a

2.70 ± 0.04b

2.43 ± 0.05d

2.24 ± 0.08e

2.39 ± 0.07d

2.57 ± 0.09c

0.01444

ESR (mm h−1)e

2.36 ± 0.14

3.08 ± 0.10a

2.68 ± 0.09b

1.95 ± 0.12c

1.87 ± 0.06c

1.67 ± 0.05d

1.71 ± 0.12d

0.01038

MCV (fl)f

161.13 ± 1.30

157.10 ± 1.42d

166.26 ± 1.19b

162.78 ± 1.43c

164.16 ± 1.42b

167.20 ± 1.55b

175.06 ± 1.13a

0.16362

MCH (pg)g

41.50 ± 0.31

40.66 ± 0.54a

37.18 ± 0.58b

38.55 ± 0.27b

37.35 ± 0.33b

36.67 ± 0.48b

37.07 ± 0.22b

0.11748

MCHC (g dL−1)h

25.52 ± 0.39

26.29 ± 0.28a

23.96 ± 0.22b

24.02 ± 0.25b

24.45 ± 0.36b

24.69 ± 0.22b

24.61 ± 0.34a

0.11992

  1. aHb, Hemaglobin; bHct, Hematocrit; cRBC, Red blood cell; dWBC, White blood cell; eESR, Erythrocyte sedimentation rate; fMCV, Mean cell volume; gMCH, Mean corpuscular hemoglobin; hMCHC, Mean corpuscular hemoglobin concentration.