Effects of Acetoin on Growth Performance, Digestive Function, Antioxidant Status, and Immune Capacity of Largemouth Bass (Micropterus salmoides)

Table 2

Growth performance and feed utilization in Micropterus salmoidesfed test diets for 45 days.

Item	Control	0.3% AC	0.6% AC	0.9% AC
Initial body weight (g)	90.72 ± 1.23^a	90.53 ± 0.35^a	90.67 ± 1.54^a	90.81 ± 0.22^a
Final body weight (g)	115.62 ± 2.9^a	179.92 ± 3.63^b	294.72 ± 3.15^c	190.48 ± 3.12^d
Weight gain rate (%)	27.44 ± 0.95^a	98.32 ± 8.10^b	224.86 ± 3.07^c	109.96 ± 5.49^b
Specific growth rate (% day^−1)	0.53 ± 0.09^a	1.45 ± 0.06^b	2.61 ± 0.05^c	1.63 ± 0.07^b
Feed efficiency rate	1.12 ± 0.45^a	2.11 ± 0.30^b	5.06 ± 0.25^c	2.54 ± 0.02^b
Survival (%)	92	98	100	100

All results were expressed as mean values and standard errors of 5 numbers of Micropterus salmoides. Different lowercase letters in the same line indicate significant difference between different mass concentrations ().