Dietary Thymol Improved Growth, Body Composition, Digestive Enzyme Activities, Hematology, Immunity, Antioxidant Defense, and Resistance to Streptococcus iniae in the Rainbow Trout (Oncorhynchus mykiss)

Table 8

The liver antioxidant changes (IU/mg) in rainbow trout, Oncorhynchus mykiss () over 60 days feeding with dietary levels of thymol (TYM). For each parameter, the differences between the means () are indicated as different superscripted letters ().

Parameters	Thymol concentrations (g/kg diet)					values
	Nonsupplemented	1	1.5	2	2.5
SOD	^a	^a	^b	^b	^b	0.02
CAT	^a	^b	^b	^c	^c	0.01
GPx	^a	^a	^b	^b	^b	0.04

SOD: superoxide dismutase, CAT: catalase, GPx: glutathione peroxidase.