Tarragon (Artemisia dracunculus) Essential Oil at Optimized Dietary Levels Prompted Growth, Immunity, and Resistance to Enteric Red-Mouth Disease in the Rainbow Trout (Oncorhynchus mykiss)

Table 3

Digestive enzymes of rainbow trout (O. mykiss) over 60 days feeding with TGO.

Parameters	TG1	TG2	TG3	TG4
Amylase (U/mg prot)	1.55 ± 0.12^b	2.16 ± 0.067^a	2.32 ± 0.1^a	2.21 ± 0.05^a
Protease (U/mg prot)	8.83 ± 0.27^b	11.36 ± 0.25^a	11.16 ± 0.97^ab	10.74 ± 0.31^ab
Lipase (U/mg prot)	6.04 ± 0.08^c	7.10 ± 0.06^b	8.03 ± 0.10^a	7.31 ± 0.21^b

Control or TG1 (untreated), TG2 (0.5% TGO), TG3 (1% TGO), and TG4 (2% TGO). Different letters (a–c) in the same row indicate significant differences ().