Skip to main content

Table 1 Phenotypic data for the two groups of female pigs selected for high (n = 25) or low feed efficiency (n = 25)

From: Using nontargeted LC-MS metabolomics to identify the Association of Biomarkers in pig feces with feed efficiency

Class Variable Starting day of grow-finishing phase Final day of grow-finishing phase Starting BW, kg Final BW, kg ADFI, kg/d ADG, kg/d RFI FCR
High FE Average 30.2 111 30.8 100 1.96 0.864 −0.077 2.29
Standard deviation 4.54 8.26 1.22 0.930 0.167 0.061 0.095 0.079
Low FE Average 29.6 118 30.9 99.7 2.01 0.82 0.038 2.60
Standard deviation 3.30 8.61 1.38 1.23 0.162 0.098 0.146 0.089
P-value 0.884 5.59 × 10−2 0.984 0.023 0.28 6.43 × 10−1 1.90 × 10−2 < 0.0001
  1. Statistical significance was determined using one-way ANOVA, unpaired Student t-test and Wilcoxon rank sum test. BW body weight; ADFI average daily feed intake; ADG average daily gain; RFI residual feed intake; FCR, feed conversion ratio