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Table 3 Breed base representation

From: Breed of origin of alleles and genomic predictions for crossbred dairy cows

  CRS_G1 CRS_G2 CRS_G3 CRS_G4 All
True GBC
 Holstein 50.0% 25.0% 62.5% 31.3% 42.2%
 Jersey 50.0% 25.1% 12.5% 56.2% 35.9%
 RDC 0.0% 50.0% 25.0% 12.4% 21.9%
BBR
 Holstein 49.6% 24.8% 62.1% 31.1% 41.9%
 Jersey 50.1% 25.1% 12.6% 56.3% 36.0%
 RDC 0.6% 50.1% 25.3% 12.6% 22.1%
Absolute difference
 Holstein 0.9% 1.2% 1.4% 1.3% 1.2%
 Jersey 0.5% 0.9% 0.8% 0.7% 0.7%
 RDC 0.6% 1.1% 1.5% 1.3% 1.1%
  1. Mean true genomic breed proportion (GBC) based on the true origin of all markers across five chromosomes, mean estimated base breed representation (BBR), and mean absolute difference of true and estimated GBC for the first four generations of rotational crossbreeding