Table 1. Summary of sequence reads alignment to bovine reference genome and known miRNAs annotated in miRBase.

Group	SampleID *	Total number of QC reads	Number of mapped reads €	Mapped reads(%)	Reads Aligned to known miRNAs	Aligned to Known miRNAs £ (%)
Dominant follicle	D1	1,925,662	599,377	31.1	345,689	57.7
	D2	1,967,061	392,924	20.0	255, 260	65.0
	D3	3,161,472	997,715	31.6	428,716	43.0
Subordinate follicle	S1	3,069,606	861,596	28.1	459,794	53.4
	S2	2,895,393	939,835	32.5	520,377	55.4
	S3	2,922,775	983,688	33.7	420,913	42.8

^*: D1, D2, D3 denote for biological triplicates of preovulatory dominant follicles and S1, S2, S3 denote for biological triplicates of subordinate follicles

^€: Number of quality filtered reads aligned to bovine reference genome release 72.

^£: Proportion of mapped sequence reads aligned to known annotated miRNAs in miRBase release 20