The Effects of Dietary Thyme Oil (Thymus vulgaris) Essential Oils for Common Carp (Cyprinus carpio): Growth Performance, Digestive Enzyme Activity, Antioxidant Defense, Tissue and Mucus Immune Parameters, and Resistance against Aeromonas hydrophila
Table 5
Hematological indices of common carp fed four experimental diets over 60 days. Values are presented as the mean ± SE.
Parameters
Control
T1
T2
T3
RBC (× 106/μl)
1.27 ± 0.04b
1.44 ± 0.02a
1.42 ± 0.03a
1.47 ± 0.04a
WBC (× 103/μl)
4.12 ± 0.05b
4.44 ± 0.03a
4.46 ± 0.03a
4.48 ± 0.03a
Hct (%)
26.00 ± 0.66b
31.00 ± 1.15a
31.66 ± 1.20a
32.00 ± 1.15a
Hb (g/dl)
17.07 ± 0.43b
19.66 ± 0.45a
19.57 ± 0.51a
19.79 ± 0.71a
MCHC (g/dl)
65.79 ± 3.13
63.49 ± 0.88
61.86 ± 0.98
61.97 ± 2.77
MCH (pg/cell)
134.25 ± 4.42
136.71 ± 5.01
137.50 ± 6.90
134.83 ± 5.95
MCV (nm3)
204.72 ± 9.22
215.60 ± 10.63
222.60 ± 13.68
217.60 ± 1.66
Different letters (a–b) in the same row indicate significant differences ().