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

Table 5 Effects of different dietary fats on growth performance of finishing pigs, Exp. 2^d

Item	Dietary treatment^e						SEM	P-value
Item	Control	6% SBO	6% CWG	6% Palm oil	6% AVB	6% Tallow		Diet	Control vs. Fat^f
Initial BW, kg	73.26	74.11	72.80	73.48	73.28	71.48	0.711	0.18	0.72
D 19 BW, kg	94.77	97.49	98.48	98.74	96.89	96.41	1.212	0.23	< 0.05
Final BW, kg	127.53	129.12	130.40	132.63	130.03	128.90	1.721	0.43	0.16
Phase I (d 0 to 19)
ADG,^g kg	1.132^c	1.230^bc	1.352^a	1.329^ab	1.243^b	1.312^ab	0.038	< 0.05	< 0.01
ADFI,^g kg	3.208	3.107	3.150	3.298	3.092	3.211	0.066	0.67	0.52
G:F^g	0.357^b	0.399^a	0.428^a	0.406^a	0.411^a	0.411^a	0.012	< 0.01	< 0.01
Phase II (d 20 to 47)
ADG,^g kg	1.170	1.130	1.140	1.210	1.184	1.160	0.041	0.91	0.69
ADFI,^g kg	3.877^a	3.353^c	3.457^c	3.690^ab	3.539^bc	3.494^bc	0.079	< 0.01	< 0.01
G:F^g	0.302^b	0.336^a	0.329^a	0.328^a	0.334^a	0.332^a	0.007	< 0.01	< 0.01
Overall
ADG,^g kg	1.155	1.170	1.226	1.259	1.208	1.222	0.032	0.87	0.53
ADFI,^g kg	3.654^a	3.271^c	3.355^c	3.559^ab	3.390^bc	3.399^bc	0.067	< 0.05	< 0.01
G:F^g	0.322^b	0.360^a	0.367^a	0.357^a	0.362^a	0.362^a	0.007	< 0.01	< 0.01

^a,b,cWithin a row, means without a common superscript differ (P < 0.05)
^dData are least squares means of 8 observations per treatment
^eSBO Soybean oil, CWG Choice white grease, AVB Animal-vegetable blend
^fP-value for control vs. fat was based on contrast analyses between control diet and the average of other 5 diets added with fat
^gADFI Average daily feed intake, ADG Average daily gain, G:F Gain:feed

ISSN: 2049-1891