Growth and Hepatopancreas Health of Juvenile Chinese Mitten Crab (Eriocheir sinensis) Fed Different Levels of Black Soldier Fly (Hermetia illucens) Larvae Meal for Fish Meal Replacement

Table 3

Fatty acid composition of ingredients and six experimental diets (% total fatty acids, n = 3).

Fatty acid	BSFLM	Fish meal	FM	BSFLM10	BSFLM20	BSFLM30	BSFLM40	BSFLM50
C12 : 0	17.39	ND	ND	10.34	16.74	24.20	29.51	33.45
C14 : 0	5.12	6.91	8.33	8.08	7.68	7.62	7.38	7.26
C15 : 0	0.17	0.49	0.68	0.39	0.53	0.40	0.28	0.25
C16 : 0	15.89	20.47	26.63	24.23	22.34	20.72	19.41	18.20
C16 : 1	3.74	8.84	7.73	6.66	5.65	4.81	4.20	3.59
C17 : 0	0.29	0.65	0.52	0.48	0.35	0.34	0.24	0.22
C17 : 1	0.40	ND	0.23	0.19	0.10	0.16	0.17	0.15
C18 : 0	4.82	5.87	4.14	3.93	4.06	3.27	3.28	2.89
C18 : 1n-9	24.19	15.11	16.18	15.67	15.39	15.05	14.78	14.89
C18 : 2n-6	24.12	0.45	24.75	21.50	20.02	18.03	16.52	15.63
C20	ND	0.96	0.51	0.45	0.32	0.22	0.06	0.10
C18 : 3n-3	2.07	2.71	2.95	2.57	2.34	2.03	1.81	1.69
C20 : 4n-6	0.54	1.85	0.43	0.30	0.30	0.29	0.25	0.23
C20 : 5n-3	0.52	17.34	5.02	3.80	3.13	2.19	1.64	1.18
C22 : 5n-3	ND	2.35	0.30	0.21	0.15	0.08	0.05	ND
C22 : 6n-3	0.74	16.00	1.63	1.26	1.02	0.67	0.50	0.31
SFA	43.68	35.35	40.81	47.88	52.00	56.75	60.16	62.36
MUFA	28.33	23.95	24.14	22.51	21.13	20.01	19.15	18.62
PUFA	27.99	40.70	35.07	29.63	26.94	23.28	20.76	19.03
HUFA	3.87	40.25	10.32	8.13	6.93	5.26	4.24	3.40
∑n-3FA	3.33	38.40	9.89	7.83	6.63	4.97	3.99	3.17
∑n-6FA	24.66	2.30	25.18	21.80	20.31	18.32	16.77	15.86
∑n-3FA/∑n-6FA	0.52	18.30	5.53	4.24	3.45	2.41	1.70	1.28

SFA, saturated fatty acid; C12 : 0, C14 : 0, C15 : 0, C16 : 0, C17 : 0, C18 : 0; MUFA, monounsaturated fatty acid; C16 : 1, C17 : 1, C18 : 1; PUFA, polyunsaturated fatty acid; C18 : 2n-6, C18 : 3n-6, C18 : 3n-3; HUFA, highly unsaturated fatty acid; C20 : 3n-6, C20 : 4n-6, C20 : 5n-3, C22 : 6n-3; n-3 FA, n-3 fatty acid: C18 : 3n-3, C20 : 5n-3, C22 : 5n-3, C22 : 6n-3; n-6 FA, n-6 fatty acid: C18 : 2n-6, C18 : 3n-6, C20 : 4n-6; ND, not detected.