Table 1.

Diet composition (%) specifications for the low energy diets

Component	Phase of growtha
	Grower 1	Grower 2	Finisher 1	Finisher 2
Corn	52.20	54.37	62.90	63.55
Soybean meal, dehulled	23.15	21.40	12.9	12.45
Wheat middlings	16.0	16.0	16.0	16.0
Corn-DDGS	6.0	6.0	6.0	6.0
Limestone	1.24	1.20	1.18	1.16
Salt	0.40	0.40	0.40	0.40
L-lysine HCl	0.325	0.30	0.30	0.175
DL-methionine	0.065
L-threonine	0.070	0.075	0.074	0.014
Trace mineral premixb	0.075	0.075	0.075	0.075
Vitamin premixc	0.025	0.025	0.025	0.025
Potassium chloride	0.10	0.10	0.10	0.10
Copper sulfate	0.019
Se premix	0.050	0.050	0.050	0.050
Antibiotic premix	0.278
Calculated analysis
ME (Mcal/kg)	3.271	3.273	3.273	3.272
NE (Mcal/kg)	2.356	2.375	2.400	2.421
NDF (%)	15.5	15.4	15.4	15.3
Total fat (%)	3.8	3.9	4.0	4.1
Lysine total (%)	1.22	1.09	0.95	0.82
Lysine, SID (%)	1.05	0.992	0.79	0.68
SID lysine:NRC ME	3.40	3.01	2.61	2.23
SID Threonine:lysine	0.61	0.63	0.64	0.66
SID Trytophan:lysine	0.17	0.18	0.18	0.19
SID Met+Cystine:lysine	0.55	0.58	0.62	0.65
Calcium (%)	0.76	0.73	0.70	0.67
Phosphorus available (%)	0.30	0.29	0.28	0.27

^aGrower 1 from 27 to 58 kg BW, Grower 2 from 58 to 84 kg BW, Finisher 1 from 84 kg BW to target BW.

^bSupplied per kg of diet: Fe, 100 mg (FeSO₄); Zn, 125 mg (ZnSO₄); Mn, 35 mg (MnSO₄); Cu, 15 mg (CuSO₄); I, 0.35 mg (EDDI); Se, 0.30 mg (Na₂Se).

^cSupplied per kg of diet: vitamin A, 11,025 IU; vitamin D₃, 1,764 IU; vitamin E, 77 IU; vitamin K (menadione activity), 4.4 μg; riboflavin, 11 mg; D-pantothenic acid, 33 mg; niacin, 3.3 mg; vitamin B₁₂, 44.0 μg; thiamine, 3.3 mg; pyridoxine, 5.5 mg; folic acid, 1.21 mg; D-biotin, 276 μg.