Table 1. Husbandry parameters of fish fed with peptidoglycan-enriched diets after 4 weeks

Variables	Experimental treatments
	PL0	PL2.5	PL5	PL10
IBW (g/fish)	26.1 ± 0.4	26.0 ± 0.1	26.0 ± 0.4	26.2 ± 0.2
FBW (g/gish)	32.1 ± 4.2	36.6 ± 0.7	34.7 ± 0.4	33.2 ± 0.2
DWG (g/fish/day)	0.2 ± 0.16	0.4 ± 0.0	0.3 ± 0.0	0.2 ± 0.0
SGR (%/day)	0.8 ± 0.5	1.1 ± 0.1	1.0 ± 0.0	0.8 ± 0.0
WG (%)	28.7 ± 18.9	40.4 ± 3.0	34.6 ± 0.5	27.4 ± 0.9
FCR	2.8 ± 1.0b	2.0 ± 0.0a	2.5 ± 0.0b	2.9 ± 0.3b
PER	1.1 ± 0.4a	1.4 ± 0.0b	1.1 ± 0.0ab	1.0 ± 0.1a
Survival rate (%)	98.3 ± 2.9	98.3 ± 2.9	96.7 ± 5.8	96.7 ± 5.8

PL0, PL2.5, PL5, PL10: commercial feed supplemented with peptidoglycan at 0, 2.5, 5, and 10 g/kg. IBW: initial body weight, FBW: final body weight, DWG: daily weight gain, SGR: specific growth rate, WG: weight gain. The data was represented by mean ± SD. Values with the different letters denote the significant difference (p < 0.05).