Effects of the standardized ileal digestible lysine to metabolizable energy ratio on performance and carcass characteristics of growing-finishing pigs

Li, Pengfei; Zeng, Zhikai; Wang, Ding; Xue, Lingfeng; Zhang, Rongfei; Piao, Xiangshu

doi:10.1186/2049-1891-3-9

Journal of Animal Science and Biotechnology

Table 3 Ingredient and chemical composition of experimental diets used in experiments 4 to 6 (as-fed)

From: Effects of the standardized ileal digestible lysine to metabolizable energy ratio on performance and carcass characteristics of growing-finishing pigs

Item	Lys/ME in 29 to 47 kg, g/Mcal					Lys/ME in 54 to 76 kg, g/Mcal					Lys/ME in 84 to 109 kg, g/Mcal
	2.40	2.60	2.80	3.00	3.20	2.10	2.30	2.50	2.70	2.90	1.80	2.00	2.20	2.40	2.60
Ingredient, %
Corn	63.00	63.00	63.00	63.00	63.00	65.35	65.00	65.00	65.00	65.00	60.50	60.28	60.28	60.28	60.28
Soybean meal (43% CP)	24.00	24.00	24.00	24.00	24.00	21.80	22.08	22.08	22.08	22.08	15.00	15.50	15.50	15.50	15.50
Wheat bran	9.44	9.36	9.21	9.04	8.89	9.50	9.50	9.39	9.22	9.06	21.40	21.05	20.94	20.81	20.64
Soybean oil	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Dicalcium phosphate	1.00	1.00	1.00	1.00	1.00	0.90	0.90	0.90	0.90	0.90	0.55	0.55	0.55	0.55	0.55
Limestone	1.15	1.15	1.15	1.15	1.15	1.10	1.10	1.10	1.10	1.10	1.20	1.20	1.20	1.20	1.20
Salt	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35
L-Lysine•HCl	0.06	0.14	0.22	0.30	0.38	0.00	0.07	0.15	0.23	0.32	0.00	0.07	0.15	0.22	0.30
MHA¹	0.00	0.00	0.02	0.04	0.06	0.00	0.00	0.01	0.04	0.06	0.00	0.00	0.01	0.02	0.05
L-Threonine	0.00	0.00	0.04	0.09	0.13	0.00	0.00	0.02	0.06	0.10	0.00	0.00	0.02	0.06	0.11
L-Tryptophan	0.00	0.00	0.01	0.03	0.04	0.00	0.00	0.00	0.02	0.03	0.00	0.00	0.00	0.01	0.02
Vitamin and mineral premix²	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Calculated composition
SID Lys (%)	0.77	0.83	0.88	0.96	1.02	0.68	0.74	0.80	0.86	0.93	0.55	0.61	0.68	0.73	0.79
SID Lys/ME (g/Mcal)	2.4	2.6	2.8	3.0	3.2	2.1	2.3	2.5	2.7	2.9	1.8	2.0	2.2	2.4	2.6
ME (Mcal/kg)	3.20	3.20	3.20	3.20	3.20	3.20	3.20	3.20	3.20	3.19	3.05	3.06	3.06	3.05	3.05
Analyzed composition (%)
Lysine	0.89	0.94	1.00	1.07	1.14	0.79	0.84	0.89	0.97	1.04	0.65	0.73	0.80	0.84	0.90
Methionine	0.25	0.25	0.27	0.28	0.31	0.24	0.26	0.26	0.28	0.29	0.20	0.21	0.23	0.23	0.24
Threonine	0.68	0.69	0.72	0.77	0.81	0.65	0.65	0.66	0.71	0.74	0.55	0.55	0.56	0.60	0.66
Tryptophan	0.21	0.21	0.22	0.24	0.24	0.21	0.20	0.21	0.22	0.23	0.17	0.18	0.17	0.18	0.19
Calcium	0.75	0.75	0.75	0.74	0.74	0.71	0.70	0.70	0.71	0.70	0.63	0.65	0.65	0.63	0.63
Phosphorus	0.63	0.62	0.63	0.64	0.63	0.61	0.61	0.60	0.62	0.60	0.61	0.60	0.59	0.62	0.61

¹ DL-methionine hydroxy analogue (84%), brand name of Novus International Inc., St. Louis, MO.
² Vitamin and mineral premix provided the following per kg of feed:
29 to 47 kg: Vitamin A, 6,000 IU; Vitamin D₃, 2,400 IU; Vitamin E, 21.6 IU; Vitamin K₃, 2 mg; Vitamin B₁, 0.96 mg; Vitamin B₂, 5.2 mg; Vitamin B₆, 2 mg; Vitamin B₁₂, 12 μg; Nicotinic acid, 22 mg; Pantothenic acid, 11.2 mg; Folic acid, 0.4 mg; Biotin, 40 μg; Choline chloride, 0.4 g; Fe, 120 mg; Cu, 140 mg; Zn, 100 mg; Mn, 16 mg; I, 0.24 mg; Se, 0.4 mg.
54 to 76 kg: Vitamin A, 5,600 IU; Vitamin D₃, 2,200 IU; Vitamin E, 21.6 IU; Vitamin K₃, 1.8 mg; Vitamin B₁, 0.88 mg; Vitamin B₂, 4 mg; Vitamin B₆, 1.8 mg; Vitamin B₁₂, 12 μg; Nicotinic acid, 20 mg; Pantothenic acid, 10 mg; Folic acid, 0.4 mg; Biotin, 40 μg; Choline chloride, 0.32 g; Fe, 88 mg; Cu, 120 mg; Zn, 96 mg; Mn, 16 mg; I, 0.24 mg; Se, 0.4 mg.
84 to 109 kg: Vitamin A, 5,200 IU; Vitamin D₃, 2,000 IU; Vitamin E, 17.2 IU; Vitamin K₃, 1.6 mg; Vitamin B₁, 0.8 mg; Vitamin B₂, 3.6 mg; Vitamin B₆, 1.6 mg; Vitamin B₁₂, 10 μg; Nicotinic acid, 17.6 mg; Pantothenic acid, 8.8 mg; Folic acid, 0.38 mg; Biotin, 32 μg; Choline chloride, 0.24 g; Fe, 76 mg; Cu, 120 mg; Zn, 76 mg; Mn, 12 mg; I, 0.24 mg; Se, 0.4 mg.

Back to article page

ISSN: 2049-1891

Contact us

Submission enquiries: Access here and click Contact Us
General enquiries: info@biomedcentral.com