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Table 1 Mean and standard deviation of de-regressed PTA and de-regressed reliabilities for the phenotypes used (\( \overline{x} \) ± sd)

From: Including gene networks to predict calving difficulty in Holstein, Brown Swiss and Jersey cattle

  Holstein Brown Swiss Jersey
Traitsa PTA REL PTA REL PTA REL
DCD 7.95 ± 2.40 0.76 ± 0.13 5.32 ± 2.03 0.62 ± 0.17 4.94 ± 1.11 0.39 ± 0.17
MCD 8.02 ± 2.70 0.64 ± 0.15 5.34 ± 1.96 0.56 ± 0.18 5.16 ± 1.99 0.40 ± 0.17
GL 0.57 ± 0.58 0.93 ± 0.13 0.44 ± 0.83 0.74 ± 0.21 0.50 ± 0.55 0.86 ± 0.15
STAT 0.34 ± 1.64 0.85 ± 0.10 0.02 ± 1.67 0.83 ± 0.13 −0.06 ± 1.59 0.85 ± 0.11
STR 0.17 ± 1.47 0.83 ± 0.11 0.04 ± 1.12 0.73 ± 0.18 0.05 ± 1.06 0.80 ± 0.14
RW 0.22 ± 1.58 0.83 ± 0.10 −0.09 ± 1.01 0.70 ± 0.18 0.02 ± 0.99 0.78 ± 0.14
Number of Bulls 8780 505 1818
  1. aTraits included in this study were: direct sire calving difficulty (DCD), maternal grand sire calving difficulty (MCD), gestation length (GL), stature (STAT), strength (STR), and rump width (RW)