Table 2 Estimates (SE in parentheses) of genetic correlations between the most heritable metabolites and average daily gain in three stages, i.e. the quarantine nursery, the challenge nursery, and the finisher.

From: Heritability and genetic correlations of plasma metabolites of pigs with production, resilience and carcass traits under natural polymicrobial disease challenge

Metabolite

Quarantine nursery

Challenge nursery

Finisher

l-Glutamic acid

0.14 (0.16)

0.06 (0.20)

0.72 (0.21)**

Hypoxanthine

0.09 (0.17)

− 0.22 (0.20)

0.18 (0.22)

Dimethylglycine

0.28 (0.17)*

0.06 (0.20)

0.36 (0.21)x

l-Glutamine

0.17 (0.16)

0.16 (0.21)

0.52 (0.26)

l-Glycine

0.23 (0.17)

0.08 (0.21)

0.08 (0.22)

Oxoglutarate

− 0.07 (0.18)

− 0.15 (0.23)

0.46 (0.24)*

Creatinine

− 0.60 (0.18)**

0.07 (0.22)

l-Ornithine

0.16 (0.18)

− 0.15 (0.24)

− 0.04 (0.25)

Betaine

0.39 (0.17)*

− 0.36 (0.23)x

0.19 (0.24)

Citric acid

0.32 (0.20)x

− 0.41 (0.25)x

Pyruvic acid

− 0.32 (0.22)x

− 0.34 (0.32)

0.12 (0.27)

l-Lysine

0.29 (0.21)x

0.05 (0.25)

0.15 (0.29)

l-Histidine

− 0.29 (0.26)

0.10 (0.29)

0.14 (0.31)

l-Methionine

0.45 (0.32)*

− 0.12 (0.55)

− 0.17 (0.34)

KetoAA

0.30 (0.24)

0.01 (0.30)

0.13 (0.35)

l-Alpha-aminobutyric acid

0.39 (0.44)

− 0.13 (0.91)

− 0.11 (0.30)

d-glucose

0.22 (0.19)

0.26 (0.39)

− 0.21 (0.23)

Isobutyric acid

− 0.21 (0.24)

0.05 (0.32)

− 0.11 (0.32)

l-Aspartate

− 0.07 (0.02)

0.13 (0.02)

− 0.21 (3.04)

l-sSrine

0.54 (0.33)*

0.11 (0.31)

− 0.04 (0.92)

  1. Significance of genetic correlations are indicated in bold as: **, *, x corresponding to P < 0.01, P ≤ 0.05 and 0.05 < P < 0.10 respectively; “–” indicates not estimable.