Evaluation of Krill Meal in Commercial Diets for Juvenile Swimming Crab (Portunus trituberculatus)

Table 3

Fatty acid composition of experimental diets (mg/g, based on dry matter).

Fatty acids	Replacement levels of FM with KM
	0	10%	20%	30%
14 : 0	2.15	2.99	3.64	4.46
16 : 0	13.28	12.83	13.38	14.56
18 : 0	4.20	3.85	3.76	3.66
20 : 0	0.20	0.16	0.15	0.12
∑SFA^a	19.83	19.84	20.92	22.80
16:1n-7	3.15	4.16	4.54	4.99
18:1n-9	7.40	6.84	7.12	7.57
20:1n-9	0.85	0.42	0.47	0.53
22:1n-11	0.11	0.14	0.20	0.26
∑MUFA^b	11.51	11.55	12.33	13.35
18:2n-6	15.73	13.07	13.03	13.56
18:3n-6	0.06	0.07	0.07	0.09
20:2n-6	0.12	0.08	0.08	0.07
20:4n-6	0.59	0.57	0.55	0.53
∑n-6PUFA^c	16.51	13.80	13.73	14.25
18:3n-3	2.24	1.73	1.77	1.91
18:4n-3	0.71	0.69	0.85	1.06
20:4n-3	0.26	0.27	0.26	0.25
20:5n-3	4.48	7.29	8.33	9.32
22:5n-3	0.58	1.05	1.00	0.94
22:6n-3	9.88	7.93	7.93	7.84
∑n-3PUFA^d	18.14	18.96	20.14	21.32
Total	65.98	64.16	67.12	71.72
EPA+DHA	14.37	15.22	16.26	17.16
DHA/EPA^e	2.21	1.09	0.95	0.84

^aSFA: saturated fatty acids; ^bMUFA, mono-unsaturated fatty acids; ^cn-6 PUFA: n-6 polyunsaturated fatty acids; ^dn-3 PUFA: n-3 polyunsaturated fatty acids; ^eDHA/EPA: the ratio of 22:6n-3 to 20:5n-3.