Table 4.

Composition of diets for phase 3 to 5, Exp. 2 (as-fed basis)¹

	Phase 3 SID Lys,2 %		Phase 4 SID Lys,2 %		Phase 5 SID Lys,2 %
Item	92.5	100	92.5	100	92.5	100
Ingredient, %
Corn	62.61	60.2	64.14	61.98	60.63	57.92
Soybean meal, 46.5% CP	5.04	7.45	3.65	5.81	7.16	9.87
Distillers dried grains with solubles	30.00	30.00	30.00	30.00	30.00	30.00
Limestone	1.38	1.38	1.30	1.30	1.10	1.10
Salt	0.35	0.35	0.35	0.35	0.35	0.35
Vitamin premix3	0.08	0.08	0.08	0.08	0.08	0.08
Trace mineral premix4	0.10	0.10	0.10	0.10	0.10	0.10
L-Lys HCl	0.40	0.40	0.35	0.35	0.45	0.45
L-Thr	—	0.005	—	—	0.055	0.06
L-Trp	0.039	0.038	0.031	0.03	0.045	0.044
Ractopamine HCl5					0.025	0.025
Phytase6	0.005	0.005	0.005	0.005	0.005	0.005
TBCC7	±	±	±	±	±	±
Total	100	100	100	100	100	100
Calculated analysis
Standard ileal digestible (SID) amino acids, %
Lys	0.74	0.80	0.67	0.72	0.83	0.9
Ile:Lys	65	66	69	69	63	63
Meth:Lys	35	34	38	36	32	31
Met + Cys:Lys	66	64	71	69	61	59
Thr:Lys	62	62	66	65	65	65
Trp:Lys	19.5	19.5	19.5	19.5	19.5	19.5
Val:Lys	78	77	83	82	73	73
Total lysine, %	0.91	0.97	0.83	0.89	1.01	1.08
SID lysine:ME, g/Mcal	2.22	2.4	2	2.16	2.49	2.7
ME, kcal/kg	3,311	3,329	3,333	3,331	3,338	3,336
NE, kcal/kg	2,496	2,482	2,507	2,493	2,491	2,476
CP, %	16.7	17.6	16	16.9	17.6	18.7
Ca, %	0.55	0.55	0.52	0.52	0.46	0.46
P, %	0.38	0.39	0.37	0.38	0.39	0.4
Available P, %	0.25	0.25	0.23	0.24	0.23	0.24

¹ Phase 3 diets fed from day 38 to 60, phase 4 diets from day 60 to 95, and phase 5 diets fed from day 95 to 120. All diets were fed in meal form.

²Standardized ileal digestible; SID Lys values are expressed as the percentage of estimated SID Lys requirement for these pigs in this environment and production phase.

³Provided per kilogram of premix: 7,054,720 IU vitamin A; 1,102,300 IU vitamin D3; 35,274 IU vitamin E; 3,527 mg vitamin K; 6,173 mg riboflavin; 22,046 mg pantothenic acid; 39,683 mg niacin; and 26 mg vitamin B12.

⁴Provided per kilogram of premix: 17 g Mn from manganese oxide, 110 g Fe from ferrous sulfate, 110 g Zn from zinc oxide, 17 g Cu from copper sulfate, 331 mg I from ethylenediamine dihydroiodide, and 300 mg Se from sodium selenite.

⁵Paylean 9 (Elanco Animal Health, Inc.) provided 5 mg/kg ractopamine HCl.

⁶Optiphos 2000 (Huvepharma, Inc., Peachtree City, GA) provided 200 phytase units (FTU)/kg, with a release of 0.05% available P.

⁷Tribasic copper chloride (Intellibond C; Micronutrients, Inc.) provided 150 mg/kg Cu and was added at the expense of corn.