Table 2.

Grow-finish diet composition (as-fed basis)¹

Item	Phase 1	Phase 2	Phase 3	Phase 4	Phase 5	Phase 6
Ingredients, %
Corn	48.33	54.45	59.93	61.29	65.34	84.73
Soybean meal, 46.5% CP2	18.60	12.65	7.40	6.25	7.35	13.04
DDGS2	30.00	30.00	30.00	30.00	25.00	—
Calcium carbonate	1.20	1.15	1.10	1.10	1.05	0.80
Monocalcium P, 21% P	0.15	0.10	—	—	—	0.15
Salt	0.50	0.50	0.50	0.50	0.50	0.50
l-Lysine-HCl	0.58	0.58	0.55	0.45	0.40	0.34
dl-Methionine	0.06	0.03	—	—	—	0.03
l-Threonine	0.12	0.11	0.09	0.06	0.06	0.13
l-Tryptophan	0.04	0.05	0.05	0.04	0.04	0.03
Phytase3	0.17	0.17	0.17	0.17	0.17	0.17
Mineral–vitamin premix4	0.20	0.20	0.20	0.15	0.10	0.10
Copper sulfate	0.03	0.03	0.03	—	—	—
Total	100	100	100	100	100	100
Calculated analysis
Standardized ileal digestible (SID) amino acids, %
Lysine	1.16	1.02	0.88	0.77	0.74	0.76
Isoleucine:lysine	60	59	58	64	65	57
Leucine:lysine	154	162	176	197	195	147
Methionine:lysine	33	32	31	35	34	30
Methionine + cysteine:lysine	58	58	59	66	66	57
Threonine:lysine	62	62	62	65	66	67
Tryptophan:lysine	18.2	19.1	18.4	19.6	19.7	19.3
Valine:lysine	70	71	73	80	81	67
SID lysine:net energy, g/Mcal	4.66	4.07	3.49	3.06	2.93	2.90
Net energy, kcal/kg	2,489	2,504	2,517	2,521	2,536	2,605
Ca, %	0.60	0.55	0.50	0.49	0.47	0.40
STTD P5, %	0.40	0.37	0.34	0.33	0.32	0.26

¹Phases 1, 2, 3, 4, 5, and 6 were fed from 20 to 30, 30 to 45, 45 to 60, 60 to 85, 85 to 100, and 100 to 135 kg, respectively.

²CP, crude protein; DDGS, dried distillers grains with solubles.

³Provided 627 phytase units FTU per gram of phytase.

⁴Provided per kilogram of premix: 30.9 g Zn, 30.9 g Fe, 3.1 g Cu, 160.3 mg I, 3.3 g Mn, 120.2 mg Se, 14,991 mg niacin, 6,613 mg pantothenic acid, 1,984 mg riboflavin, 1,543,220 IU vitamin A, 440,920 IU vitamin D, 8,046 IU vitamin E, 881,8 mg vitamin K, and 7.9 mg vitamin B12.

⁵Standardized total tract digestible P.