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Table 4 Effects of dietary soybean oil (SBO) and choice white grease (CWG) on growth performance of finishing pigs, Exp. 1a

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

Item Dietary treatment SEM P-value
Control 3% SBO 6% SBO 3% CWG 6% CWG   Control vs. Fatb Sourcec Leveld Source×Levele
 Initial BW, kg 65.89 63.94 65.88 64.58 63.61 0.852 0.15 0.35 0.57 0.10
 D 21 BW, kg 90.66 89.58 89.90 90.88 91.10 1.196 0.83 0.30 0.82 0.97
 Final BW, kg 120.82 120.85 122.59 120.17 123.84 1.678 0.58 0.87 0.12 0.57
Phase I (d 0 to 21)
 ADG,f kg 1.180 1.229 1.144 1.252 1.309 0.036 0.18 < 0.05 0.70 0.054
 ADFI,f kg 3.168 3.100 2.936 3.152 3.022 0.089 0.26 0.44 0.11 0.85
 G:Ff 0.382 0.406 0.395 0.403 0.443 0.009 < 0.01 < 0.05 0.12 < 0.05
Phase II (d 22 to 49)
 ADG,f kg 0.908 1.117 1.167 1.046 0.845 0.119 0.31 0.11 0.53 0.30
 ADFI,f kg 3.539 3.458 3.299 3.379 3.264 0.082 < 0.05 0.50 0.10 0.79
 G:Ff 0.300 0.324 0.354 0.310 0.339 0.010 < 0.01 0.13 <.01 0.94
Overall
 ADG,f kg 1.032 1.088 1.157 1.134 1.058 0.077 0.38 0.74 0.97 0.35
 ADFI,f kg 3.415 3.339 3.178 3.304 3.183 0.075 < 0.05 0.84 0.07 0.79
 G:Ff 0.333 0.357 0.371 0.348 0.383 0.007 < 0.01 0.84 < 0.01 0.15
  1. aData were least squares means of 9 observations per treatment
  2. bContrast analyses between control diet and the average of other 4 diets
  3. cContrast analyses between the average of two SBO diets and the average of two CWG diets
  4. dContrast analyses between the average of two 3% fat diets and the average of two 6% fat diets
  5. eContrast analyses between the average of 3% SBO + 6% CWG and the average of 3% CWG + 6% SBO
  6. fADFI Average daily feed intake, ADG Average daily gain, G:F Gain:feed