Table 2.

Fatty acid composition of dietary oils, and starter, grower, and finisher diets with high (HR) and low (LR) dietary PUFA n-6:n-3 ratio, % of total fatty acids.

				Diet1
	Dietary oils			Starter, 1 to 14 d		Grower, 15 to 35 d		Finisher, 36 d to slaughter
Fatty acids	Fish oil	Linseed oil	Corn oil	HR	LR	HR	LR	HR	LR
C16:0	10.86	4.97	13.57	14.34	10.98	16.12	10.82	11.68	8.26
C18:0	1.70	3.62	1.45	0.95	2.06	1.26	2.31	0.74	2.20
C18:1	45.21	22.11	32.82	24.64	22.48	25.80	22.36	24.89	20.33
C18:2n-6	10.22	13.33	50.68	58.51	32.32	55.92	25.55	61.11	23.60
C18:3n-3	4.97	55.75	0.85	1.39	32.16	0.91	38.96	1.20	45.61
C20:4n-6	0.16	nd8	nd	0.08	nd	0.12	nd	0.15	nd
C20:5n-3	trace7	nd	nd	nd	nd	nd	nd	nd	nd
C22:5n-3	0.65	nd	nd	nd	trace	nd	trace	nd	trace
C22:6n-3	3.03	nd	nd	nd	trace	nd	trace	nd	trace
SFA2	15.82	8.71	15.43	15.29	13.04	17.38	13.13	12.80	10.46
MUFA3	64.29	22.21	33.03	24.64	22.48	25.80	22.36	24.89	20.33
PUFA4	19.90	69.07	51.54	60.07	64.48	56.82	64.52	62.31	69.21
PUFA n-65	10.96	13.33	50.68	58.68	32.32	55.92	25.55	61.11	23.60
PUFA n-36	8.88	55.75	0.85	1.39	32.16	0.91	38.96	1.20	45.61
PUFA n-6:n-3	1.23	0.24	59.48	43.13	1.00	62.19	0.66	51.10	0.52

¹HR - diets with corn oil with high PUFA n-6:n-3, LR - diets with a mixture of linseed and fish oils with low PUFA n-6:n-3 ratio;

²SFA – saturated fatty acids (C14:0 + C16:0 + C18:0 + C20:0 + C22:0 + C24:0);

³MUFA – monounsaturated fatty acids (C16:1 + C17:1 + C18:1 + C20:1 + C21:1 + C22:1);

⁴PUFA – polyunsaturated fatty acids (C18:2n-6 + C18:3n-3 + C18:3n-6 + C20:2n-6 + C20:3n-6 + C20:4n-6 + C20:5n-3 + C22:4n-6 + C22:5n-3 + C22:6n-3);

⁵PUFA n-6 (C18:2n-6 + C18:3n-6 + C20:2n-6 + C20:3n-6 + C20:4n-6 + C22:4n-6);

⁶PUFA n-3 (C18:3n-3 + C20:5n-3 + C22:5n-3 + C22:6n-3);

⁷less than 0.002% of total fatty acids;

⁸nd = not detected.