Low crude protein formulation with supplemental amino acids for its impacts on intestinal health and growth performance of growing-finishing pigs

Table 2 Composition of diet (Exp. 2; as-fed basis)

Item	CON^a	LCP^b	VLCP^c
Feedstuff, %
Corn (yellow)	73.89	78.94	84.74
Soybean meal (48% CP)	21.21	15.62	8.90
L-Lys HCl	0.36	0.54	0.75
L-Met	0.08	0.13	0.19
L-Thr	0.10	0.18	0.28
L-Trp	0.00	0.04	0.08
L-Val	0.00	0.09	0.21
L-Ile	0.00	0.03	0.07
L-Phe	0.00	0.00	0.12
L-His	0.00	0.00	0.15
Dicalcium phosphate	1.13	1.22	1.34
Limestone	0.83	0.81	0.79
Vitamin premix^d	0.03	0.03	0.03
Mineral premix^e	0.15	0.15	0.15
Salt	0.22	0.22	0.22
Poultry fat	2.00	2.00	2.00
Calculated composition
Dry matter, %	89.23	89.19	89.18
ME, kcal/kg	3,396	3,404	3,409
NE, kcal/kg	2,572	2,598	2,622
CP, %	16.69	14.81	12.59
SID^f Lys, %	0.98	0.98	0.98
SID Met + Cys, %	0.55	0.55	0.55
SID Thr, %	0.59	0.59	0.59
SID Trp, %	0.17	0.17	0.17
SID Val, %	0.64	0.64	0.64
SID Ile, %	0.57	0.51	0.51
SID Phe, %	0.69	0.59	0.59
SID His, %	0.39	0.34	0.34
SID Leu, %	1.29	1.16	0.99
Ca, %	0.66	0.66	0.66
STTD^g P, %	0.31	0.31	0.31
Analyzed composition
CP, %	17.70	15.00	12.80

^aControl diet (CON)
^bLow CP diet (LCP)
^cVery low CP diet (VLCP)
^dVitamin premix: the vitamin premix provided the following per kilogram of complete diet: 6,613.8 IU of vitamin A as vitamin A acetate, 992.0 IU of vitamin D₃, 19.8 IU of vitamin E, 2.64 mg of vitamin K as menadione sodium bisulfate, 0.03 mg of vitamin B₁₂, 4.63 mg of riboflavin, 18.52 mg of D-pantothenic acid as calcium pantothenate, 24.96 mg of niacin, and 0.07 mg of biotin
^eMineral premix: the trace mineral premix provided the following per kilogram of complete diet: 4.0 mg of Mn as manganous oxide, 165 mg of Fe as ferrous sulfate, 165 mg of Zn as zinc sulfate, 16.5 mg of Cu as copper sulfate, 0.30 mg of I as ethylenediamine di-hydroiodide, and 0.30 mg of Se as sodium selenite
^fSID Standardized ileal digestible
^gSTTD Standardized total tract digestible

ISSN: 2049-1891