Supplementation of different fat sources affects growth performance and carcass composition of finishing pigs

Table 2 Composition of experimental diets for Exp. 1

Item	Phase I^a					Phase II^a
	Control	3% SBO	6% SBO	3% CWG	6% CWG	Control	3% SBO	6% SBO	3% CWG	6% CWG
Ingredients, %
Ground corn	81.975	76.865	71.910	76.865	71.910	85.045	80.595	76.135	80.595	76.135
Soybean meal	14.845	16.985	18.955	16.985	18.955	12.000	13.450	14.900	13.450	14.900
SBO	–	3.000	6.000	–	–	–	3.000	6.000	–	–
CWG	–	–	–	3.000	6.000	–	–	–	3.000	6.000
Limestone	0.755	0.745	0.730	0.745	0.730	0.745	0.740	0.735	0.740	0.735
Dicalcium phosphate	1.220	1.215	1.210	1.215	1.210	1.130	1.125	1.125	1.125	1.125
Lysine HCl	0.365	0.345	0.335	0.345	0.335	0.325	0.325	0.325	0.325	0.325
DL-Methionine	0.025	0.030	0.040	0.030	0.040	0.010	0.015	0.020	0.015	0.020
L-Threonine	0.115	0.115	0.120	0.115	0.120	0.095	0.100	0.110	0.100	0.110
Salt	0.400	0.400	0.400	0.400	0.400	0.350	0.350	0.350	0.350	0.350
Vit-Min-mix^b	0.300	0.300	0.300	0.300	0.300	0.300	0.300	0.300	0.300	0.300
Total	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00
Energy and nutrients^c
Dry matter, %	90.39	90.63	88.59	90.11	88.68	89.22	85.88	87.38	89.22	87.12
Gross energy, Mcal/kg	3.77	3.97	4.16	3.97	4.05	3.76	3.92	4.10	3.96	4.08
Metabolizable energy, Mcal/kg	3.32	3.46	3.60	3.46	3.60	3.33	3.47	3.61	3.47	3.61
Crude protein, %	14.04	13.75	15.37	14.75	14.44	12.30	12.88	13.39	12.57	13.05
SID Lys, %	0.86	0.89	0.93	0.89	0.93	0.76	0.79	0.82	0.79	0.82
Ether extract, %	2.19	4.92	8.00	5.17	8.32	2.33	4.84	7.20	5.37	8.02
Ca, %	0.62	0.69	0.73	0.79	0.67	0.69	0.71	0.68	0.73	0.73
P, %	0.53	0.52	0.54	0.54	0.51	0.51	0.52	0.53	0.53	0.52
SID Lys^d:Metabolizable energy, g/Mcal	2.59	2.57	2.58	2.57	2.58	2.28	2.28	2.27	2.28	2.27

^aSBO Soybean oil, CWG Choice white grease
^bVitamin premix provided the following quantities of vitamins per kilogram of complete diet: 6,608 IU of vitamin A as retinyl acetate; 680 IU of vitamin D as cholecalciferol; DL-α-tocopheryl acetate, 88 mg; menadione sodium bisulfite complex 4 mg; riboflavin, 9 mg; vitamin B₁₂, 35 μg; D-Ca-pantothenic acid, 24 mg; niacin, 33 mg; and choline chloride, 324 mg. Mineral premix provided the following quantities of mineral per kilogram of complete diet: Fe, 90 mg (FeSO₄·H₂O); Zn 100 mg (ZnO); Mn 20 mg (MnO); Cu 8 mg (CuSO₄·H₂O); I, 0.35 mg (CaI₂); Se, 0.3 mg (Na₂SeO₃); and NaCl, 3 g
^cValues for metabolizable energy and SID Lys were calculated from NRC (1998); all other nutrients were analyzed
^dSID Lys Standardized ileal digestible lysine

ISSN: 2049-1891