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Table 4 Estimate of additive genetic variance (diagonal), genetic correlation (below diagonal) with standard errors, in addition to the partial phenotypic correlations (above diagonal), for FTIR traits

From: Genetic markers associated with bone composition in Rhode Island Red laying hens

 

Tibia density

Tibia breaking strain

CT PO4/Amide I

CT CO3/PO4

CT CO3/Amide I

CT CO3 1450/1415

CT collagen maturity

CT lipid

MD PO4/Amide I

MD CO3/PO4

MD CO3/Amide I

MD CO3 1450/1415

MD collagen maturity

MD lipid

Tibia density

0.44 ± 0.06

0.67

− 0.17

0.26

0.01

− 0.17

− 0.17

− 0.32

0.13

− 0.02

0.21

− 0.12

− 0.05

− 0.09

Tibia breaking strain

0.33 ± 0.05

0.42 ± 0.06

− 0.19

0.25

− 0.04

− 0.16

− 0.19

− 0.32

0.14

− 0.05

0.21

− 0.08

− 0.08

− 0.07

CT PO4/Amide I

− 0.14 ± 0.04

− 0.11 ± 0.04

0.12 ± 0.05

− 0.86

0.8

− 0.29

0.27

0.39

0

− 0.05

− 0.04

0.05

0.15

0.08

CT CO3/PO4

0.18 ± 0.04

0.13 ± 0.04

− 0.11 ± 0.05

0.11 ± 0.05

− 0.42

0.12

− 0.24

− 0.29

0.07

0.01

0.11

− 0.08

− 0.12

− 0.08

CT CO3/Amide I

− 0.05 ± 0.04

− 0.04 ± 0.04

0.10 ± 0.05

− 0.06 ± 0.04

0.11 ± 0.05

− 0.44

0.24

0.32

0.1

− 0.09

0.06

0

0.14

0.05

CT CO3 1450/1415

− 0.07 ± 0.04

− 0.06 ± 0.04

0.01 ± 0.03

− 0.04 ± 0.03

− 0.03 ± 0.04

0.08 ± 0.04

0.09

0.24

− 0.13

0.07

− 0.15

0.02

− 0.09

− 0.02

CT collagen maturity

− 0.08 ± 0.04

− 0.10 ± 0.04

0.05 ± 0.04

− 0.05 ± 0.03

0.03 ± 0.03

0.04 ± 0.04

0.10 ± 0.04

0.53

0.01

− 0.03

− 0.03

− 0.07

0.07

− 0.07

CT lipid

− 0.20 ± 0.04

− 0.19 ± 0.04

0.14 ± 0.04

− 0.13 ± 0.04

0.09 ± 0.04

0.06 ± 0.04

0.10 ± 0.04

0.20 ± 0.05

0.01

− 0.02

− 0.08

0.08

0.09

0.1

MD PO4/Amide I

0.08 ± 0.04

0.11 ± 0.04

− 0.04 ± 0.03

0.05 ± 0.03

− 0.01 ± 0.03

− 0.01 ± 0.03

− 0.01 ± 0.03

− 0.06 ± 0.04

0.06 ± 0.03

− 0.59

0.82

− 0.22

− 0.11

− 0.07

MD CO3/PO4

− 0.04 ± 0.04

− 0.05 ± 0.04

0.00 ± 0.03

− 0.01 ± 0.03

− 0.01 ± 0.04

0.00 ± 0.03

0.00 ± 0.04

0.01 ± 0.04

− 0.05 ± 0.03

0.07 ± 0.05

− 0.27

0

0

− 0.17

MD CO3/Amide I

0.13 ± 0.04

0.15 ± 0.04

− 0.06 ± 0.03

0.07 ± 0.03

− 0.02 ± 0.03

− 0.02 ± 0.03

− 0.04 ± 0.03

− 0.09 ± 0.03

0.07 ± 0.03

− 0.03 ± 0.03

0.09 ± 0.03

− 0.36

− 0.18

− 0.31

MD CO3 1450/1415

− 0.05 ± 0.04

− 0.06 ± 0.04

0.01 ± 0.04

− 0.01 ± 0.03

− 0.01 ± 0.04

0.03 ± 0.04

0.01 ± 0.04

0.04 ± 0.04

− 0.03 ± 0.04

0.03 ± 0.04

− 0.03 ± 0.03

0.05 ± 0.05

0.09

0.74

MD collagen maturity

− 0.02 ± 0.04

− 0.02 ± 0.04

0.04 ± 0.03

− 0.02 ± 0.03

0.03 ± 0.03

0.00 ± 0.03

0.05 ± 0.03

0.04 ± 0.04

0.00 ± 0.03

0.02 ± 0.03

− 0.01 ± 0.03

0.01 ± 0.03

0.08 ± 0.05

0.12

MD lipid

− 0.02 ± 0.03

− 0.04 ± 0.03

0.02 ± 0.04

− 0.02 ± 0.03

0.01 ± 0.04

0.02 ± 0.04

0.02 ± 0.03

0.04 ± 0.04

− 0.01 ± 0.04

0.00 ± 0.04

− 0.02 ± 0.02

0.02 ± 0.05

0.01 ± 0.02

0.03 ± 0.06

  1. FTIR: Fourier transform infrared spectroscopy; CT: cortical bone; MD: medullary bone; OM: organic matter
  2. Genetic correlations are estimated by multi-trait genomic restricted maximum likelihood; partial phenotypic correlations: phenotypes (adjusted for body weight) correlations