Table 1. Assembly contiguity metrics of chicken genomes by version.
| Metrics | Gallus_gallus-4.0 | Gallus_gallus-5.0 |
|---|---|---|
| Total base length (bp) | 1,046,932,099 | 1,230,258,557 |
| Total spanned gapsa | 8246 | 358 |
| Total contigs | 27,041 | 24,693 |
| N50 contig length (bp)b | 279,750 | 2,894,815 |
| Placed contigs (bp)c | 1,014,655,963 | 1,091,712,069 |
| Unplaced contigs (bp) | 32,120,124 | 138,199,872 |
| Total scaffolds | 16,847 | 23,870 |
| N50 scaffold length (bp)b | 12,877,381 | 6,379,610 |
a
Total spanned gaps are calculated on ordered and oriented chromosome sequences.
b
N50 is the percentage of the genome assembly that is the measured length metric or greater.
c
Placed contigs refer to chromosome sequences with order and orientation or just chromosomal assignment without order or orientation.