Dietary Supplementation of Astragalus membranaceus Extract Affects Growth Performance, Antioxidant Capacity, Immune Response, and Energy Metabolism of Largemouth Bass (Micropterus salmoides)

Table 3

Whole-body and muscle proximate composition of M. salmoides fed diets supplemented with different levels of AME.

	Con	AME0.1	AME0.2	AME0.3	AME0.4	AME0.5	AME0.6	Regression
								Linear	Quadratic
Whole-body
Moisture (%)	70.18 ± 0.13	70.31 ± 0.23	70.78 ± 0.05	70.92 ± 0.18	70.47 ± 0.24	70.87 ± 0.11	70.62 ± 0.20	0.047	0.030
Crude protein (%)	16.41 ± 0.03^b	16.83 ± 0.16^ab	17.05 ± 0.03^a	16.60 ± 0.19^ab	16.74 ± 0.13^ab	16.28 ± 0.03^b	16.49 ± 0.04^ab	0.192	0.043
Crude lipid (%)	8.29 ± 0.14^a	7.68 ± 0.07^ab	7.41 ± 0.19^b	7.29 ± 0.20^b	7.75 ± 0.07^ab	7.80 ± 0.09^ab	7.83 ± 0.08^ab	0.571	0.002
Ash (%)	3.81 ± 0.02^b	3.92 ± 0.03^ab	3.94 ± 0.06^ab	3.99 ± 0.04^ab	3.85 ± 0.06^ab	3.91 ± 0.07^ab	4.06 ± 0.05^a	0.040	0.128
Muscle
Moisture (%)	76.88 ± 0.03	76.71 ± 0.10	76.64 ± 0.02	76.47 ± 0.12	76.46 ± 0.11	76.49 ± 0.12	76.43 ± 0.04	0.001	0.001
Crude protein (%)	20.27 ± 0.11^ab	19.95 ± 0.13^b	20.23 ± 0.06^ab	20.44 ± 0.14^a	20.30 ± 0.02^ab	20.19 ± 0.07^ab	20.46 ± 0.11^a	0.097	0.260
Crude lipid (%)	0.82 ± 0.09^b	1.29 ± 0.13^a	1.22 ± 0.03^a	1.09 ± 0.02^ab	1.23 ± 0.08^a	1.24 ± 0.04^a	1.19 ± 0.01^ab	0.064	0.031
Ash (%)	1.50 ± 0.03	1.46 ± 0.06	1.36 ± 0.01	1.36 ± 0.01	1.42 ± 0.02	1.46 ± 0.03	1.49 ± 0.03	0.890	0.002

Values are means ± SEM of three replications. Means in the same row with different superscripts are significantly different ().