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Table 8 Prediction error variance of sire effects using the bivariate Student's-t (BSt) and normal (BN) fitted models with different residual degrees of freedom (DF).

From: Use of linear mixed models for genetic evaluation of gestation length and birth weight allowing for heavy-tailed residual effects

 

Fitted Model2

 

Trait1

Trait2

True Model1-DF

BS t

BN

BS t

BN

BSt-4

0.36

0.44

0.51

0.67

BSt-12

0.29

0.30

0.41

0.44

BN-∞

0.23

0.23

0.33

0.33

  1. 1Used to simulate data
  2. 2Used in analysis of simulated data
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Genetics Selection Evolution

ISSN: 1297-9686