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Table 1 Descriptive statistics of high feed efficiency (HFE) and low feed efficiency (LFE) for phenotypic traits

From: Identification of a metabolomic signature associated with feed efficiency in beef cattle

Trait HFE (±SEM) LFE (±SEM) P value
BWi (kg) ■ 410 ± 16.03 404.3 ± 7.97 0.64
BWf (kg) 563.5 ± 17.35 525.8 ± 9.87 0.07
DMI (kg/d) ■ 10.38 ± 0.39 12.35 ± 0.33 < 0.0001*
ADG (kg/d) ■ 2.194 ± 0.15 1.734 ± 0.08 0.0497*
FCR ■ 4.763 ± 0.17 7.3 ± 0.29 < 0.0001*
RFI (kg/d) −1.384 ± 0.12 1.791 ± 0.12 < 0.0001*
RWG (kg/d) ■ 0.4325 ± 0.07 − 0.3988 ± 0.06 < 0.0001*
RIG 1.815 ± 0.10 −2.188 ± 0.13 < 0.0001*
REAi (cm2) ■ 68.26 ± 2.22 67.23 ± 1.95 0.63
REAf (cm2) ■ 84.94 ± 2.58 82.91 ± 1.65 0.64
REAg (cm2) ■ 19.34 ± 2.83 15.69 ± 1.77 0.99
BFTi (mm) 0.775 ± 0.38 1.975 ± 0.46 0.07
BFTf (mm) ■ 2.975 ± 0.67 5.713 ± 0.64 0.0096*
BFTg (mm) ■ 2.2 ± 0.67 3.738 ± 0.37 0.063
  1. BWi initial body weight, BWF final body weight, DMI dry matter intake, ADG average daily gain, FCR feed conversion ratio, RFI residual feed intake, RWG residual body weight gain, RIG residual intake and body weight gain, REAi initial ribeye area, REAf final ribeye area, REAg gain of ribeye area. *P < 0.05. ■ Student’s t-test. Mann-Whitney-Wilcoxon Test