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. 2015 Apr 1;47(1):23. doi: 10.1186/s12711-015-0106-8

Table 4.

Parameters (π, h 2 ) a , correlations between the DGV and phenotype rg^,y from the best-fit analyses, and realized accuracies

Trait 1 n t 2 n v 3 Analysis π h 2 rg^,y4 Realized accuracy w 5 Realized accuracy 6 Realized Accuracy C0 7
WBSF 2268 972 BayesCπ 0.9998 0.12 0.298 0.854 0.862 0.585
BayesC0 0 0.26 0.276 0.547 0.796 0.541
BayesA 0 0.29 0.314 0.586 0.906 0.616
BayesB95 0.95 0.28 0.319 0.605 0.921 0.626
REA 1927 1286 BayesCπ 0.9931 0.32 0.336 0.600 0.594 0.585
BayesC0 0 0.33 0.345 0.599 0.609 0.600
BayesA 0 0.38 0.343 0.560 0.606 0.597
BayesB95 0.95 0.36 0.344 0.573 0.608 0.599
MARB 1657 1106 BayesCπ 0.7432 0.62 0.595 0.757 0.756 0.762
BayesC0 0 0.62 0.595 0.759 0.756 0.762
BayesA 0 0.72 0.590 0.697 0.750 0.756
BayesB95 0.95 0.67 0.592 0.722 0.752 0.758
FT 1887 1259 BayesCπ 0.9999 0.06 0.206 0.815 0.842 0.397
BayesC0 0 0.27 0.267 0.517 1.091 0.514
BayesA 0 0.11 0.242 0.746 0.990 0.467
BayesB95 0.95 0.11 0.249 0.741 1.017 0.480
HCW 1931 1288 BayesCπ 0.9539 0.49 0.536 0.763 0.763 0.766
BayesC0 0 0.48 0.543 0.785 0.772 0.776
BayesA 0 0.63 0.536 0.677 0.762 0.765
BayesB95 0.95 0.59 0.532 0.693 0.756 0.760
YG 2219 951 BayesCπ 0.9998 0.08 0.217 0.757 0.753 0.412
BayesC0 0 0.28 0.264 0.502 0.914 0.500
BayesA 0 0.13 0.256 0.714 0.888 0.486
BayesB95 0.95 0.136 0.260 0.705 0.901 0.493

aEstimated as the means of posterior distributions over all post burn-in iterations.

1WBSF, Warner-Bratzler Shear Force; REA, Ribeye Muscle Area; MARB, Marbling score; FT, Backfat Thickness; HCW, Hot Carcass Weight; YG, Yield Grade.

2Number of individuals in the training population.

3Number of individuals in the validation population.

4Correlations reported are for best-fit analyses.

5Mean of realized accuracies calculated using the mean heritability estimate across all bootstrap samples within analysis.

6Mean of realized accuracies estimated using a heritability estimate produced from the best-fit BayesCπ analysis.

7Mean of realized accuracies estimated using a heritability estimate produced from the best-fit BayesC0 analysis.