Table 6.

Composition of diets, experiment 4 (as-fed basis)¹

DDGS, %	0	0	0	0	20	20	20	20
Item Soybean hulls, %	0	5	10	15	0	5	10	15
Corn	64.42	59.84	55.15	50.72	48.25	43.81	39.21	34.47
Soybean meal, 46.5% crude protein	32.08	31.73	31.47	30.97	28.55	28.05	27.71	27.52
Soybean hulls	—	5.00	10.00	15.00	—	5.00	10.00	15.00
DDGS	—	—	—	—	20.00	20.00	20.00	20.00
Monocalcium P, 21% P	1.05	1.05	1.05	1.05	0.6	0.6	0.6	0.6
Limestone	1.00	0.93	0.88	0.80	1.25	1.18	1.13	1.05
Salt	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35
Vitamin premix2	0.25	0.25	0.25	0.25	0.25	0.25	0.25	0.25
Trace mineral premix3	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15
l-Lysine HCl	0.33	0.32	0.31	0.31	0.37	0.37	0.36	0.35
dl-Methionine	0.125	0.130	0.140	0.150	0.043	0.045	0.053	0.060
l-Threonine	0.125	0.123	0.125	0.130	0.065	0.070	0.073	0.075
Phytase4	0.125	0.125	0.125	0.125	0.125	0.125	0.125	0.125
Total	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0
Calculated analysis
SID amino acids,%
Lysine	1.26	1.26	1.26	1.26	1.26	1.26	1.26	1.26
Isoleucine:lysine	61	61	61	61	65	65	65	65
Leucine:lysine	129	128	127	125	151	149	147	146
Methionine:lysine	33	33	34	34	30	30	30	31
Methionine and cysteine:lysine	58	58	58	58	58	58	58	58
Threonine:lysine	63	63	63	63	63	63	63	63
Tryptophan:lysine	17.5	17.5	17.5	17.5	17.5	17.5	17.5	17.5
Valine:lysine	68	68	67	67	74	74	73	73
Total lysine, %	1.39	1.41	1.42	1.43	1.43	1.44	1.46	1.47
NE, Mcal/kg	2.37	2.29	2.21	2.13	2.40	2.32	2.24	2.16
SID Lys:NE, g/Mcal	5.32	5.50	5.70	5.92	5.25	5.43	5.63	5.83
Crude protein, %	20.9	20.9	21.0	21.0	23.2	23.2	23.3	23.4
Crude fiber, %	2.7	4.2	5.8	7.3	2.2	3.7	5.3	6.8
ADF, %	3.5	5.4	7.3	9.2	6.2	8.0	9.9	11.8
NDF, %	9.0	11.4	13.7	16.1	14.1	16.4	18.8	21.1
Calcium, %	0.70	0.70	0.70	0.70	0.70	0.70	0.70	0.70
Phosphorus, %	0.62	0.61	0.61	0.60	0.60	0.59	0.58	0.58
Available P, %	0.42	0.42	0.42	0.42	0.42	0.42	0.42	0.42
Bulk density, g/L	749	730	696	640	702	666	633	648

¹Dietary treatment fed in meal form d 0 to 21.

²Provided per kg of premix: 4,408,000 IU vitamin A; 551,000 IU vitamin D3; 17,632 IU vitamin E; 1,763 mg vitamin K; 3,306 mg riboflavin; 11,020 mg pantothenic acid; 19,836 mg niacin; and 15.0 mg vitamin B12.

³Provided per kg of premix: 26.5 g Mn from manganese oxide, 110 g Fe from iron sulfate, 110 g Zn from zinc sulfate, 11 g Cu from copper sulfate, 198 mg I from calcium iodate, and 198 mg Se from sodium selenite.

⁴Phyzyme 600 (Danisco Animal Nutrition, St. Louis, MO), providing 509 phytase units (FTU)/kg, with release of 0.10% available P.