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Table 6 Cross-validation results for lines B1 and BD, with genotyped sires as reference population for ssGBLUP and pedigree-BLUP

From: Genomic prediction of survival time in a population of brown laying hens showing cannibalistic behavior

Cross-validation folda

SsGBLUP

Pedigree-BLUP

SsGBLUP

Pedigree-BLUP

Line B1

Line BD

1st 20 %

0.16 ± 0.15

0.08 ± 0.15

0.36 ± 012

0.23 ± 0.14

2nd 20 %

0.38 ± 0.12

0.17 ± 0.14

0.30 ± 0.13

0.19 ± 0.14

3rd 20 %

0.30 ± 0.15

0.21 ± 0.16

0.29 ± 0.13

0.11 ± 0.14

4th 20 %

0.44 ± 0.12

0.43 ± 0.13

0.16 ± 0.14

0.18 ± 0.14

5th 20 %

0.43 ± 0.13

0.42 ± 013

0.25 ± 0.14

0.27 ± 0.13

Average

0.35 ± 0.06

0.26 ± 0.07

0.27 ± 0.06

0.20 ± 0.07

Accuracy2

0.58 ± 0.08

0.43 ± 0.09

0.37 ± 0.08

0.28 ± 0.09

  1. Values are the correlations of the estimated breeding values of sires with the average phenotype of their offspring, (\(\rho_{{\hat{A},\bar{P}_{off} }}\))
  2. aAccuracy of the estimate true breeding value (\(\rho_{{A_{s} ,\hat{A}_{s} }}\)); see Eq. 3