Estimate of the energy value of soybean meal relative to corn based on growth performance of nursery pigs

Table 3 Ingredient composition of experimental diets, Exp. 2, as-fed basis

	Soybean meal, %
	17.5	22.0	26.5	31.0	35.5	40.0
Ingredient, %
Corn	62.69	58.78	54.86	50.90	46.98	43.07
Soybean meal	17.50	21.99	26.48	31.01	35.5	40.00
DDGS	15.00	15.00	15.00	15.00	15.00	15.00
Calcium carbonate	1.35	1.36	1.36	1.37	1.37	1.37
Monocalcium phosphate, 21.5% P	0.46	0.37	0.28	0.19	0.09	–
Sodium chloride	0.43	0.42	0.42	0.41	0.40	0.40
L-Lys sulfate	1.694	1.355	1.016	0.678	0.339	–
Met hydroxy analog	0.195	0.159	0.123	0.088	0.052	0.016
L-Thr	0.247	0.198	0.148	0.099	0.050	–
L-Trp	0.071	0.057	0.043	0.028	0.014	–
L-Val	0.147	0.117	0.088	0.059	0.030	–
L-Ile	0.061	0.049	0.037	0.024	0.012	–
Vitamin trace-mineral premix^a	0.150	0.150	0.150	0.150	0.150	0.150
Total	100	100	100	100	100	100
Calculated analysis
SID amino acids, %
Lys	1.20	1.20	1.20	1.20	1.20	1.20
Ile:Lys	55	60	66	71	76	81
Leu:Lys	124	133	142	151	160	169
Met:Lys	37	36	35	34	33	32
Met+Cys:Lys	58	59	59	60	61	62
Thr:Lys	64	65	66	67	68	69
Trp:Lys	19.2	20.1	21.0	21.8	22.7	23.5
Val:Lys	70	74	77	81	85	88
His:Lys	34	38	42	45	49	52
Net energy, kcal/kg	2455	2433	2411	2388	2366	2344
Crude protein, %	18.9	20.5	22.1	23.7	25.3	26.9
Neutral detergent fiber, %	12.17	12.19	12.20	12.21	12.22	12.23
Calcium, %	0.69	0.69	0.69	0.69	0.69	0.69
STTD P, %	0.38	0.38	0.37	0.36	0.36	0.35
Analyzed values, %
Dry matter	85.7	86.0	85.9	86.2	86.9	86.8
Crude protein	17.2	19.2	20.2	22.7	23.7	25.6
Crude fiber	2.2	2.4	2.7	3.1	3.0	3.2
Ether extract	3.1	3.1	3.1	3.1	3.3	3.3

^aProvided per kg of premix: 1,653,468 IU vitamin A; 661,387 IU vitamin D; 17,637 IU vitamin E; 1323 mg vitamin K; 13.2 mg vitamin B₁₂; 19,842 mg niacin; 11,023 mg pantothenic acid; 3307 mg riboflavin; 499,899 FTU phytase; 73 g Zn from zinc sulfate; 67 g Fe from ferrous sulfate; 27 g Mn from manganese oxide; 10 g Cu from copper sulfate; 0.5 g I from calcium iodate; 0.2 g Se from sodium selenite

ISSN: 2049-1891