Table 1.

Average age of alternate alleles from BTA25, expressed in Time to the Most Recent Common Ancestor (TMRCA), estimated with GEVA and using the recombination clock.

	Alternate alleles		Private alternate alleles
Allele frequency	Number of alleles	Average TMRCA	Number of alleles	Average TMRCA
0 <. ≤ 0.05	59,943	604	19,108	361
0.05 <. ≤ 0.15	50,596	1284	6136	564
0.15 <. ≤ 0.30	43,931	1820	1633	772
.> 0.30	76,281	2946	180	4851

The time is measured in generations. Private alleles refer to alleles absent from a whole-genome sequence data sample available for another breed (Belgian Blue cattle). Private alleles are selected to enrich the set of SNPs in young alleles.