Table 1.

Raw and processed data of next-generation sequencing

	Raw data		Clean data (Identity ≥ 90% and HSP coverage ≥ 95% to G. gallus v.4)
Sample library	Number of total reads	Total base pairs	Number of total reads	Total base pairs	Minimum base pairs	Maximum base pairs	Number of unique reads
PGCs	9175177	449583673	8199557	193849279	18	44	1010670
Stage X	9243725	452942525	6341942	154246061	18	44	487258
GSCs	10314115	505391635	9169772	208574068	18	44	462903
CEFs	16705966	818592334	15180321	334940464	18	44	217402