Table 1 Quality statistics of the assembled Hainan and Mongolian cattle genomes

Genome size (bp)

2,651,892,370

2,638,491,090

2,715,853,792

Contig N50 (bp)

44,352,259

47,790,958

25,896,116

Scaffold N50 (bp)

104,224,000

104,053,164

103,308,737

Number of scaffolds

301

400

2211

Max scaffold (bp)

157,081,543

146,429,245

158,534,110

Min scaffold (bp)

749

1000

1034

Scaffold mean (bp)

8,810,273

6,596,227

1,228,337

Repetitive sequences (%)

46.56%

46.60%

45.73%

Consensus quality score (QV)^a

36.66

40.58

37.11