Table 1.

Data for three traits with reference and test datasets

Trait	h2	Reference				Test
		n	${\mathit{r}}_{\mathit{D}\mathit{R}\mathit{E}}^{\mathbf{2}}$	range (DRE)	median (DRE)	n	${\mathit{r}}_{\mathit{D}\mathit{R}\mathit{E}}^{\mathbf{2}}$	range (DRE)	median (DRE)
Fertility	0.04	3084	0.67	7.8-251.7	105.4	1267	0.58	19.1-202.2	103.7
Protein	0.39	3040	0.94	49.0-145.3	92.5	1292	0.92	59.6-153.8	106.0
Mastitis	0.04	3081	0.76	44.6-165.7	101.1	1333	0.67	43.3-188.6	103.4

h²: heritability; n: number of bulls; ${\mathit{r}}_{\mathit{D}\mathit{R}\mathit{E}}^2$: average reliabilities; range (DRE) and median (DRE): range and median of de-regressed EBV (DRE) for bulls; Reference: reference dataset; Test: test dataset.