Table 1. Summary of reads mapping to the sheep transcriptomes.

	Han BB	Han++	Dorset
Number of all reads	46,495,842	56,383,118	50,333,796
Number of bases (in Gb)	5.17	6.05	5.43
Number of mapped reads	36,320,142	49,791,023	44,572,071
% mapped reads	78.1	88.3	88.6
Number of uniquely mapped reads	33,597,314	47,963,451	42,998,557
% uniquely mapped reads	72,3	85.1	85.4

Han BB, Small Tail Han ewes with genotype BB (HanBB) and genotype++ (Han++); Dorset, Dorset sheep.