Skip to main content

Table 1 Summary of phenotypic traits. Mean of the groups of high feed efficiency (HFE, n = 20) and low feed efficiency (LFE, n = 20) and P-value of the difference between groups for phenotypic traits measured during the feeding trial and slaughter

From: Liver transcriptomic networks reveal main biological processes associated with feed efficiency in beef cattle

Trait HFE mean LFE mean P-value
BWi (kg) 403.10 ± 35.6 409.50 ± 23.0 0.50
BWf (kg) 542.10 ± 46.9 533.90 ± 25.2 0.47
DMI (kg/d) 9.99 ± 1.3 12.00 ± 0.7 1.03x10-6*
ADG (kg/d) 1.97 ± 0.5 1.76 ± 0.2 0.06
FCR 5.22 ± 0.8 6.90 ± 0.8 2.84x10-8*
RFI (kg/d) −1.14 ± 0.4 1.24 ± 0.5 6.79x10-8*
RWG (kg/d) 0.27 ± 0.3 −0.29 ± 0.2 3.00x10-9*
RIG 1.40 ± 0.4 −1.53 ± 0.6 6.77x10-8*
REAi (cm2) 67.51 ± 5.5 65.95 ± 5.3 0.36
REAf (cm2) 83.49 ± 6.9 83.12 ± 6.0 0.85
REAg (cm2) 15.98 ± 8.9 17.18 ± 6.4 0.63
BFTi (mm) 1.18 ± 1.0 1.64 ± 1.2 0.19
BFTf (mm) 3.99 ± 1.9 5.78 ± 1.4 1.9x10 −3 *
BFTg (mm) 2.81 ± 2.0 4.15 ± 1.4 0.02*
RFTi (mm) 2.78 ± 1.4 3.73 ± 1.9 0.08
RFTf (mm) 5.76 ± 2.4 8.19 ± 2.2 1.8x10 −3 *
RFTg (mm) 2.99 ± 1.9 4.47 ± 1.6 0.01*
LW (kg) 6.00 ± 0.59 5.78 ± 0.54 0.48
CY (%) 60.11 ± 1.6 60.23 ± 1.6 0.83
PFW (kg) 4.44 ± 1.1 5.57 ± 1.3 5.9x10 −3 *
KFW (kg) 4.45 ± 1.1 5.63 ± 1.6 7.3x10 −3 *
  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 rib eye area; REAf, final rib eye area; REAg, gain of rib eye area; BFTi, initial back fat thickness; BFTf, final back fat thickness; BFTg, gain of back fat thickness; RFTi, initial rump fat thickness; RFTf, final rump fat thickness; RFTg, gain of rump fat thickness; LW, liver weight; CY, carcass yield; PFW, pelvic fat weight; KFW, kidney fat weight
  2. *P ≤ 0.05
  3. Student’s t-test
  4. Mann–Whitney-Wilcoxon test