Table 1. Structures of the three types of datasets used in this study.

Dataset	No. of bulls	No. of cows	Total	Interval of birth
Phenotypic data	0	38,602	38,602	2002–2011
Pedigree data	2,006	71,800	73,806	1965–2011
Genotypic data	383	2,942	3,325	1965–2011