Table 7 Ingredient and nutrient composition of normal and low-protein basal diet.

Ingredient (%)	0–14 days		15–28 days		29–42 days
Ingredient (%)	NP	LP	NP	LP	NP	LP
Corn—fine	55.49	61.31	61.96	69.49	65.98	73.18
Soybean meal	35.60	31.70	29.10	23.50	25.40	20.10
Fat—soybean oil	2.50	0.80	3.10	1.10	3.42	1.50
Corn gluten meal	2.50	2.50	2.50	2.50	2.50	2.40
DCP	1.55	1.59	1.57	1.66	1.25	1.34
Calcium carbonate 38%	1.06	0.98	0.55	0.54	0.42	0.41
NaCl	0.38	0.28	0.31	0.30	0.21	0.21
DL-methionine	0.27	0.21	0.23	0.19	0.19	0.18
Sodium bicarbonate 24.1%	0.21	0.21	0.21	0.21	0.20	0.20
l-Lysine HCl 78%	0.12	0.10	0.14	0.17	0.14	0.18
Trace element premix	0.10	0.10	0.10	0.10	0.10	0.10
Choline chloride—50	0.10	0.10	0.10	0.10	0.10	0.10
Vitamin premix	0.05	0.05	0.05	0.05	0.05	0.05
Salinomycin 12%	0.05	0.05	0.05	0.05
Thermostable phytase20000	0.01	0.01	0.01	0.01	0.01	0.01
l-Threonine 98.5%			0.01	0.02	0.02	0.03
Compound enzyme preparation	0.01	0.01	0.01	0.01	0.01	0.01
Total	100.00	100.00	100.00	100.00	100.00	100.00
Nutrition level analysis
ME (MJ/kg)	11.88	11.67	12.25	12.01	12.54	12.31
Crude protein (%)	22.40	20.98	19.90	17.90	18.50	16.58
Ether extract (%)	4.96	3.43	5.69	3.89	6.10	4.36
Crude fiber (%)	2.36	2.32	2.24	2.16	2.17	2.10
Lysine (%)	1.34	1.22	1.18	1.06	1.08	0.97
Methionine (%)	0.62	0.54	0.55	0.48	0.49	0.45
Calcium (%)	0.85	0.82	0.65	0.65	0.52	0.52
Total phosphorus (%)	0.64	0.64	0.62	0.61	0.55	0.55
Zn (mg/kg)^a	26.02	25.33	23.90	23.31	23.08	22.01

The mineral premix provided per kilogram of diet was as follows: Cu (as copper sulfate), 15 mg; Fe (as ferrous sulfate), 52 mg; Mn (as manganese sulfate), 115.2 mg; I (as potassium iodide), 1.14 mg; Se (as sodium selenite), 0.30 mg. The vitamin premix provided per kilogram of diet was as follows: vitamin A, 50,000 IU; vitamin D₃, 12,500 IU; vitamin E, 90 IU; vitamin K₃, 15,000 mg; vitamin B₁, 10,000 mg; vitamin B₂, 35,000 mg; vitamin B₆, 15,000 mg; vitamin B₁₂, 100 mg; vitamin B₃, 150,000 mg; vitamin B₅, 50,000 mg; vitamin B₉, 7,000 mg; and vitamin B₇, 350 mg. NP, normal protein; LP, low protein. ^aThe Zn content was measured using ICP‒OES.

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