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 4

Biochemical parameters of common carp fed four experimental diets over 60 days. Values are presented as the mean ± SE.

Parameters	Control	T1	T2	T3
Total protein (g/dL)	2.15 ± 0.12^b	2.55 ± 0.07^a	2.70 ± 0.07^a	2.67 ± 0.11^a
Albumin (g/dL)	1.25 ± 0.04^b	1.68 ± 0.05^a	1.86 ± 0.06^a	1.82 ± 0.04^a
Globulin (g/dL)	0.89 ± 0.12	0.86 ± 0.04	0.84 ± 0.11	0.85 ± 0.13
ACP (g/L)	10.99 ± 0.44^b	13.70 ± 0.30^a	14.69 ± 0.36^a	14.10 ± 0.48^a

ACP: acid phosphatase. Different letters (a–b) in the same row indicate significant differences ().