Table 1. Homology comparison between the ev21-related K specific sequences and previously reported chicken late-feathering related genes

Late-feathering related genes	GenBank ID.	Range/length	Homology with the ev21-related K specific sequences (%)
Avian leukosis virus strain ev21, complete genome	KY235336.1	8,428–8,656/9,679	98.7
Gallus gallus USIL-1 DNA sequence	X54093.1	2,368–2,204/3,558	63.9
Gallus gallus DNA, K-gene linked region note: breed: Geline	AB610980.1	136–292/1,444	65.7
Gallus gallus DNA, K-gene linked region note: breed: Nagoya	AB610979.1	136–292/1,443	67.4
Gallus gallus endogenous virus-21 JFIL-1 DNA sequence	X54094.1	1,111–1,339/2,534	98.7