Influence of Dietary Phosphorus on the Growth, Feed Utilization, Proximate Composition, Intestinal Enzymes, and Oxidation Resistance of Sea Cucumber Apostichopus japonicus

Table 3

Diet utilization of A. japonicus fed diets with different phosphorus levels.

	Dietary phosphorus level (%)						Pooled SE
	0.24	0.37	0.51	0.62	0.77	0.89
DFI^1 (%/d)	^a	^c	^c	^c	^b	^ab	0.051
FPR^2 (%/d)	^ab	^c	^c	^c	^b	^a	0.052
FE^3	^a	^a	^b	^bc	^c	^c	0.009
DPI^4 (10^-2%/d)	^a	^b	^c	^d	^e	^f	0.118
ADm^5 (%)	^c	^bc	^b	^b	^a	^a	0.800
ADp^6 (%)	^ab	^ab	^a	^ab	^ab	^b	0.359
ADf^7 (%)							0.347
ADpi^8 (%)							0.480
ADe^9 (%)	^bc	^ab	^a	^ab	^bc	^c	0.557

Notes: values in the same row with different superscript letters show significant difference (). ¹Daily feed intake (DFI, %/d); ²feces production rate (FPR, %/d); ³feed efficiency (FE); ⁴daily phosphorus intake (DPI, %/d); ⁵apparent digestibility coefficients of dry material (AD_m,%); ⁶apparent digestibility coefficients of protein (AD_p,%); ⁷apparent digestibility coefficients of fat (AD_f,%); ⁸apparent digestibility coefficients of phosphorus (AD_pi%); ⁹apparent digestibility coefficients of energy (AD_e%).