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Table 5 Genetic parametersa for the PRRS statusb

From: Genetic analysis of reproductive performance in sows during porcine reproductive and respiratory syndrome (PRRS) and porcine epidemic diarrhea (PED) outbreaks

Traitc

AB

TB

NBA

SB

MUM

NBD

PROP

NW

ABd

0.17 (0.11)

− 0.08 (0.20)

− 0.22 (0.20)

0.01 (0.22)

NC

0.66 (0.21)

0.37 (0.28)

− 0.48 (0.24)

TB

0.16 (0.08)

0.86 (0.14)

−0.18 (0.37)

NC

−0.61 (0.42)

− 0.36 (0.42)

0.09 (0.41)

NBA

0.74 (0.02)

0.14 (0.07)

−0.49 (0.32)

− 0.50 (0.75)

− 0.91 (0.24)

− 0.67 (0.27)

0.33 (0.41)

SB

0.29 (0.04)

− 0.23 (0.03)

0.16 (0.10)

0.33 (0.92)

0.94 (0.22)

0.92 (0.39)

−0.68 (0.36)

MUM

NC

−0.35 (0.03)

0.24 (0.04)

0.03 (0.05)

NC

NC

−0.61 (1.09)

NBD

0.27 (0.04)

−0.40 (0.03)

0.83 (0.01)

NC

0.18 (0.12)

0.85 (0.26)

−0.85 (0.30)

PROP

−0.02 (0.04)

−0.63 (0.02)

0.62 (0.02)

NC

0.85 (0.01)

0.09 (0.08)

−0.99 (0.36)

NW

0.10 (0.04)

0.33 (0.03)

−0.21 (0.04)

−0.23 (0.04)

− 0.30 (0.04)

−0.31 (0.03)

0.11 (0.09)

  1. NC Not converged
  2. aEstimates of heritability (diagonal), and genetic (above diagonal) and phenotypic (below diagonal) correlations;
  3. bPRRS, porcine reproductive and respiratory syndrome;
  4. cAB, Abortion; TB, Total number of piglets born; NBA, Number of piglets born alive; SB, Number of stillborn piglets; MUM, Number of mummified piglets; NBD, Number of piglets born dead; PROP, Proportion of piglets born dead; NW, Number of piglets weaned;
  5. dAB was treated as a quantitative variable and was assumed to have no residual covariance when estimating correlations between this and other traits