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Table 7 Genomic relationships, accuracy of GEBV, bias of prediction and coancestry coefficients for sensitivity simulation 3 with 8, 32 and 48 offspring per full-sib family

From: Optimized grouping to increase accuracy of prediction of breeding values based on group records in genomic selection breeding programs

Variables

Individual records

Group records

Supervised clustering method

Random grouping of full-sibs

Random grouping of paternal half-sibs

Family size of 8

 Genomic relationships (SD)

 

0.565 (0.057)

0.497 (0.070)

0.268 (0.091)

 Accuracy (SD)

0.770 (0.028)

0.734 (0.034)

0.726 (0.035)

0.692 (0.041)

 Bias (SD)

1.007 (0.062)

1.016 (0.076)

1.012 (0.087)

1.019 (0.106)

 Coancestry coefficients (SD)

0.024 (0.004)

0.026 (0.004)

0.027 (0.004)

0.028 (0.005)

Family size of 32

 Genomic relationships (SD)

 

0.543 (0.063)

0.497 (0.070)

0.271 (0.093)

 Accuracy (SD)

0.870 (0.014)

0.785 (0.026)

0.766 (0.028)

0.674 (0.040)

 Bias (SD)

1.001 (0.025)

1.003 (0.036)

1.003 (0.043)

1.000 (0.074)

 Coancestry coefficients (SD)

0.049 (0.016)

0.060 (0.019)

0.063 (0.020)

0.078 (0.026)

Family size of 48

 Genomic relationships (SD)

 

0.539 (0.064)

0.497 (0.070)

0.271 (0.094)

 Accuracy (SD)

0.893 (0.011)

0.799 (0.023)

0.774 (0.025)

0.671 (0.041)

 Bias (SD)

1.000 (0.018)

1.002 (0.030)

0.993 (0.030)

0.998 (0.079)

 Coancestry coefficients (SD)

0.053 (0.017)

0.068 (0.021)

0.072 (0.021)

0.091 (0.032)