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Table 2 Variance components and intraherd heritability of color traitsa and of Vis-NIRS and Micro-NIRS predictions

From: Prediction of meat quality traits in the abattoir using portable near-infrared spectrometers: heritability of predicted traits and genetic correlations with laboratory-measured traits

 

L*

a*

b*

C*

h*

Lab trait

Vis-NIRS

Micro-NIRS

Lab trait

Vis-NIRS

Micro-NIRS

Lab trait

Vis-NIRS

Micro-NIRS

Lab trait

Vis-NIRS

Micro-NIRS

Lab trait

Vis-NIRS

Micro-NIRS

Phenotypic variance

11.64

9.96

9.74

3.12

1.83

1.52

2.79

1.88

1.67

4.71

3.01

2.46

4.17

2.81

2.59

Variance componentsb

 Additive genetic

0.23

0.32

0.28

0.09

0.04

0.04

0.10

0.02

0.04

0.09

0.03

0.03

0.10

0.03

0.09

 Batch

0.18

0.15

0.15

0.25

0.31

0.22

0.23

0.26

0.16

0.25

0.30

0.21

0.21

0.24

0.18

 Herd

0.06

0.06

0.05

0.11

0.11

0.10

0.08

0.08

0.07

0.10

0.10

0.10

0.06

0.06

0.07

 Residual

0.54

0.46

0.52

0.55

0.53

0.64

0.59

0.64

0.73

0.56

0.58

0.65

0.62

0.67

0.67

Intraherd heritability

 Estimate

0.30

0.41

0.35

0.14

0.08

0.07

0.14

0.04

0.05

0.14

0.04

0.05

0.14

0.05

0.11

 SE

0.09

0.10

0.11

0.07

0.07

0.05

0.07

0.04

0.06

0.07

0.05

0.05

0.07

0.06

0.08

  1. a L* = lightness; a* = redness; b* = yellowness; C* = chroma; h = hue angle
  2. b Ratio to phenotypic variance
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Journal of Animal Science and Biotechnology

ISSN: 2049-1891