Table 4.

Composition of phase 1 diets, experiment 3 (as-fed basis)¹

DDGS, %	Phase 1
	0	0	0	0	0	15	15	15	15	15
Item Soybean hulls, %	0	3	6	9	12	0	3	6	9	12
Corn	55.23	52.52	49.75	47.05	44.27	43.14	40.34	37.65	34.94	32.24
Soybean meal, 46.5% crude protein	28.19	27.92	27.73	27.46	27.27	25.54	25.35	25.08	24.81	24.54
Soybean hulls	—	3.00	6.00	9.00	12.00	—	3.00	6.00	9.00	12.00
DDGS	—	—	—	—	—	15.00	15.00	15.00	15.00	15.00
Select menhaden fish meal	4.00	4.00	4.00	4.00	4.00	4.00	4.00	4.00	4.00	4.00
Spray-dried whey	10.00	10.00	10.00	10.00	10.00	10.00	10.00	10.00	10.00	10.00
Monocalcium P, 21% P	0.50	0.50	0.50	0.50	0.50	0.15	0.15	0.15	0.15	0.15
Limestone	0.83	0.80	0.76	0.72	0.69	1.00	0.98	0.95	0.91	0.88
Salt	0.35	0.35	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	0.25	0.25
Trace mineral premix3	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15
l-Lysine HCl	0.23	0.23	0.22	0.22	0.22	0.26	0.26	0.25	0.25	0.25
dl-Methionine	0.12	0.13	0.13	0.14	0.14	0.05	0.06	0.06	0.07	0.07
l-Threonine	0.13	0.13	0.14	0.14	0.14	0.09	0.09	0.09	0.10	0.10
Phytase4	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02
Total	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0
Calculated analysis
SID amino acids, %
Lysine	1.32	1.32	1.32	1.32	1.32	1.32	1.32	1.32	1.32	1.32
Isoleucine:lysine	63	62	62	62	62	65	65	65	65	65
Leucine:lysine	128	127	126	125	124	143	142	141	140	139
Methionine:lysine	35	35	35	35	36	32	32	32	32	33
Methionine and cysteine:lysine	58	58	58	58	58	58	58	58	58	58
Threonine:lysine	65	65	66	66	65	65	65	65	65	65
Tryptophan:lysine	17.5	17.5	17.5	17.5	17.5	17.5	17.5	17.5	17.5	17.5
Valine:lysine	69	69	69	68	68	73	73	73	72	72
Total lysine, %	1.46	1.47	1.47	1.48	1.49	1.49	1.49	1.50	1.51	1.52
NE, Mcal/kg	2.40	2.35	2.30	2.26	2.21	2.42	2.37	2.33	2.28	2.23
SID Lys:NE, g/Mcal	5.50	5.62	5.74	5.84	5.97	5.45	5.57	5.67	5.79	5.92
Crude protein, %	21.9	21.9	22.0	22.0	22.0	23.7	23.7	23.7	23.8	23.8
Crude fiber, %	2.3	3.2	4.2	5.1	6.0	1.9	2.9	3.8	4.7	5.7
ADF, %	3.1	4.2	5.3	6.4	7.6	5.0	6.2	7.3	8.4	9.5
NDF, %	7.8	9.2	10.6	12.0	13.5	11.6	13.0	14.4	15.8	17.2
Calcium, %	0.80	0.80	0.80	0.80	0.80	0.80	0.80	0.80	0.80	0.80
Phosphorus, %	0.64	0.64	0.64	0.64	0.64	0.64	0.64	0.64	0.64	0.64
Available P, %	0.46	0.46	0.46	0.46	0.46	0.46	0.46	0.46	0.46	0.46

¹Dietary treatment fed in meal form from d 0 to 14 for phase 1.

²Provided by kg of the diet: 14,330 IU vitamin A; 2,205 IU vitamin D₃; 77.2 IU vitamin E; 8.8 mg vitamin K; 7.7 mg riboflavin; 33.1 mg pantothenic acid; 55.1 mg niacin; and 0.40 mg vitamin B₁₂.

³Provided per kg of the diet: 25 mg Mn from manganese oxide, 88 mg Fe from iron sulfate, 2000 mg Zn from zinc sulfate, 264 g Cu from copper sulfate, 1.36 mg I from calcium iodate, and 0.30 mg Se from sodium selenite.

⁴Ronozyme CT (10,000) (International Nutrition, Omaha, NE), providing 1,852 phytase units (FTU)/kg, with a release of 0.10% available P.