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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