Sizes of the CNVRs ranged from 0.0018 to 1.56 Mb, with an average of 0.1419 Mb and a median of 0.0567 Mb. The CNVRs occupied a total of 5.27 unique Mb or 0.19% of the UMD 3.1 Bos taurus genome. Among the CNVRs, 30 showed copy number loss, 16 showed copy number gain, and 11 showed a mix of copy number loss and gain from different individuals. A full list of the CNVRs can be found in Supplementary Table 1A.