Table 4.

Analyzed gross energy, macronutrient content, and fatty acid composition for starter, grower, and finisher diets.

Item	Starter diet (0–14 d)	Grower diet1 (15–28 d)					Finisher diet2 (from 29 d on)
		T1	T2	T3	T4	T5	T1	T2	T3	T4	T5
Macronutrient content (%)
Dry matter	89.73	90.88	91.26	90.45	90.36	90.35	90.31	89.91	90.15	90.64	90.61
Crude protein	21.62	19.16	19.42	19.26	19.49	19.16	18.45	18.32	18.35	18.26	18.44
Crude Fat	5.53	5.34	5.28	5.15	5.02	5.23	5.68	5.37	5.34	5.38	5.24
Crude Fiber	3.31	4.04	4.12	4.38	4.19	3.90	4.07	3.59	3.68	3.95	3.79
Ash	7.67	6.51	7.21	6.86	6.74	6.78	6.02	6.29	6.33	6.37	6.47
Fatty acid composition (%)
Saturated fatty acids	17.6	21.0	21.1	21.6	21.8	22.0	24.3	24.9	25.3	25.8	26.5
C16:0	13.4	16.1	16.3	16.7	16.9	17.1	18.7	19.3	19.7	20.1	20.8
C18:0	3.02	3.63	3.57	3.57	3.66	3.65	4.16	4.16	4.18	4.21	4.27
Monounsaturated fatty acids	22.4	26.0	25.8	25.1	25.2	25.0	27.8	27.3	27.1	26.9	26.8
C18:1 ω-9	20.1	23.8	23.4	22.8	22.6	22.4	25.4	24.9	24.7	24.4	24.4
Polyunsaturated fatty acids	60.0	53.0	53.1	53.3	53.0	53.0	47.9	47.8	47.6	47.3	46.7
C18:2 ω-6	54.1	47.9	47.9	48.1	47.9	47.9	43.6	43.7	43.5	43.4	42.9
C18:3 ω-3	5.96	5.24	5.20	5.14	5.13	5.12	4.29	4.19	4.09	3.98	3.82
Minor fatty acids	3.49	3.48	3.59	3.67	3.93	3.92	3.82	3.78	3.82	3.88	3.91
UFA:SFA	4.68	3.76	3.74	3.63	3.59	3.55	3.12	3.02	2.95	2.88	2.77
PUFA:SFA	3.41	2.52	2.52	2.47	2.43	2.41	1.97	1.92	1.88	1.83	1.76
Gross energy (kcal/kg)	4,183	4,249	4,258	4,235	4,155	4,180	4,231	4,181	4,196	4,192	4,179

Abbreviations: UFA:SFA, unsaturated-to-saturated fatty acid ratio; PUFA: SFA, polyunsaturated-to-saturated fatty acid ratio.

¹T1 = soybean oil (SO) at 2%; T2 = SO at 1.75% and soybean lecithin (SL) at 0.25%; T3 = SO at 1.5% and SL at 0.5%; T4 = SO at 1.25% and SL at 0.75%; T5 = SO at 1% and SL at 1%.

²T1 = SO at 2%; T2 = SO at 1.5% and SL at 0.5%; T3 = SO at 1% and SL at 1%; T4 = SO at 0.5% and SL at 1.5%; T5 = SL at 2%.