Alteration of Growth Performance, Antioxidant Capacity, Tissue Fatty Acid Profiles, and Lipid Metabolism of Mud Crab (Scylla paramamosain) Juvenile in Response to Different Dietary Arachidonic Acid Levels

Table 3

Growth performance and feed utilization of juvenile mud crab Scylla paramamosain fed with different dietary ARA levels.

Items	Dietary ARA levels (g kg^-1)						ANOVA	Linear		Quadratic
	0.40	2.50	4.60	8.90	12.50	15.70	value	value		value
IBW (g)	11.36 ± 0.21	11.26 ± 0.01	11.58 ± 0.04	11.36 ± 0.05	11.02 ± 0.17	11.17 ± 0.06	0.074	0.119	0.092	0.127	0.139
PWG (%)	^c	^d	^d	^d	^b	^a	0.000	0.002	0.431	0.000	0.875
Survival (%)	74.83 ± 7.22	75.00 ± 0.00	87.50 ± 0.00	83.33 ± 7.22	79.17 ± 7.22	75.00 ± 12.50	0.127	0.686	0.051	0.037	0.269
SGR (% day^-1)	^c	^d	^d	^d	^b	^a	0.000	0.001	0.445	0.000	0.887
FE	^c	^d	^e	^d	^b	^a	0.000	0.003	0.392	0.000	0.804
MR	^ab	^bc	^c	^ab	^ab	^a	0.012	0.037	0.197	0.012	0.368

Values are represented as the of three replicates (). Values in the same row with different superscripts are significantly different (). IBW: initial body weight; PWG: percent weight gain; SGR: specific growth rate; FE: feed efficiency; and MR: molting ratio.