Another two OB key ancestor bulls (sire and son; ENA SRA sample accession numbers SAMEA4827659 and SAMEA4827645) that were born in 1967 and 1973 were heterozygous carriers of two missense variants in SLC45A2 (BTA20:g.39829806G > A and BTA20:g.39864148C > T) that are associated with oculocutaneous albinism (OMIA 001821–9913) in Braunvieh cattle [20]. Here, SLC45A2 is linked to oculocutaneous albinism.