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Table 4 Average difference (in genetic standard deviation) between GEBV calculated with and without YD for the elite and “randomly selected” cow groups

From: Inclusion of cow records in genomic evaluations and impact on bias due to preferential treatment

Breed

Trait

Elite cows

Randomly selected cows

Montbéliarde

Milk yield

0.286

0.135

 

SCC

0.040

0.020

Normande

Milk yield

0.409

0.117

 

SCC

0.110

0.060

Holstein

Milk yield

0.168

0.060

 

SCC

0.013

0.024

  1. SCC = somatic cell count.