Table 2.

Fatty acid compositions of different experimental diets (mg g⁻¹ dry matter).

Fatty acids	Dietary ARA levels (g kg−1)
	0.40	2.50	4.60	8.90	12.50	15.70
14 : 0	2.52	2.31	2.30	2.35	2.37	2.41
16 : 0	31.43	26.73	24.96	21.17	15.27	9.50
18 : 0	2.08	2.09	2.35	2.85	3.26	3.65
∑SFAa	36.03	31.14	29.61	26.37	20.91	15.56
16:1n-7	3.04	2.79	2.80	2.83	2.84	2.86
18:1n-9	8.41	8.10	8.53	9.40	9.92	10.45
20:1n-9	0.26	0.25	0.28	0.33	0.36	0.40
∑MUFAb	11.71	11.14	11.62	12.57	13.13	13.70
18:2n-6	3.81	3.71	3.94	4.29	4.34	4.58
20:4n-6	0.43	2.54	4.64	8.92	12.54	15.73
∑n − 6PUFAc	4.24	6.25	8.58	13.21	16.88	20.31
18:3n-3	1.01	0.94	0.99	1.03	1.01	1.04
18:4n-3	0.56	0.50	0.52	0.53	0.53	0.54
20:5n-3	5.56	5.19	5.13	5.24	5.39	5.36
22:5n-3	0.75	0.72	0.71	0.71	0.73	0.74
22:6n-3	4.71	4.34	4.35	4.31	4.17	3.87
∑n − 3PUFAd	12.59	11.69	11.71	11.82	11.83	11.55
n-3/n-6 PUFAe	2.97	1.87	1.36	0.89	0.70	0.57
EPA/DHAf	1.18	1.20	1.18	1.22	1.29	1.39
ARA/EPAg	0.08	0.49	0.90	1.70	2.33	2.93
ARA/DHAh	0.09	0.58	1.07	2.07	3.01	4.07

Some fatty acids, of which the contents are minor, trace amount or not detected, such as 12 : 0, 20 : 0, 22 : 0, 24 : 0, 22:1n-9, 22:1n-11, 20:2n-6, 20:3n-6, 22:4n-6, 20:5n-6, 20:3n-3, and 20:4n-3, were not listed in this table. ^aSFA: saturated fatty acids; ^bMUFA: monounsaturated fatty acids; ^cn-6 PUFA: n-6 polyunsaturated fatty acids; ^dn-3 PUFA: n-3 polyunsaturated fatty acids; ^en-3/n-6 PUFA: n-3 polyunsaturated fatty acids: n-6 polyunsaturated fatty acids; ^fEPA/DHA: the ratio of EPA to DHA; ^gARA/EPA: the ratio of ARA to EPA; and ^hARA/DHA: the ratio of ARA to DHA.