Table 2.

Details of the information used in the different types of preselection

Type of preselection	Preselection was based on	Information used in preselection model
Genomic	GEBV of the selection candidatesa	Complete pedigreeb, genotypes of all the animals in generations 13 to 15, phenotypes of all the animals in generations 11 to 14
Parent average	Average parental GEBV of the selection candidatesa	Complete pedigreeb, genotypes of all the animals in generations 13 and 14, phenotypes of all the animals in generations 11 to 14
Random	Random	Random numbers

^aSelection candidates were the animals in generation 15

^bThe complete pedigree consisted of all the animals from the founder generation (generation 0) to the most recent generation (generation 15)