Exact(17)
In 1903, the Norwegian Trotting Association split their registration between purebred Norwegian trotters and trotting crosses.
Many papers have reported genetic correlations between purebred and crossbred performances [ 21– 26].
Our goal was to compare the imputation performance between purebred and crossbred animals.
We have considered a genetic correlation between traits measured on distinct individuals, of which the genetic correlation between purebred and crossbred performance, r pc, is an important example.
In particular, training on crossbred data for GS accounts for genetic differences between purebred and crossbred animals and genotype by environment effects.
In fact, an incomplete genetic correlation between purebred and crossbred performance can be due to both non-additive effects (dominance and epistasis), and G × E interaction.
Similar(43)
However, QTL effects may still differ between breeds, and between purebreds and crossbreds.
Thus, a half-sib structure is present between purebreds and crossbreds, whereas full-sib families are nested within half-sib families within the purebreds and within the crossbreds.
The table displays efficiencies and accuracies for three different thresholds for the posterior probabilities used to distinguish between purebreds and hybrids.
Due to genetic differences between purebreds and crossbreds and environmental differences between nucleus and field conditions, performance of purebred parents can be a poor predictor of performance of their crossbred descendants [ 1].
The aim of this part of the study was to highlight the differences of maturation process observed between purebreds (LW and MS) and more particularly to identify genes that may explain the impaired maturity of LW piglets at birth.
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