Table 1.

Classification of total small RNA tags by RNA-Seq in Tibetan goat (TBG) and Jintang black goat (JTG) ovary libraries.

	TBG		JTG
	No	%	No	%
Total_reads	14,333,506		13,874,032
Filter having N reads	5,913	0.04	5,524	0.04
Smaller than 18 nt	1,072,828	7.48	805,444	5.81
Larger than 30 nt	2,062,488	14.39	1,721,361	12.41
Clean reads	11,192,277	78.08	11,341,703	81.75