Table 2. Peak distribution in different components of the chicken genome.

Sample	Total peak number	promoter	5′UTR	Exon	Intron	3′UTR	Intergenic	CGIs	Repeats
NC	55978	2899	952	13219	22004	1752	38684	6598	8158
MD	54594	1856	622	8479	12269	1097	37370	6701	8061
SV	63100	3151	964	14659	24887	1916	43594	6668	9400

NC, MD, and SV indicated the group of non-challenged, challenged-mild pathology, and challenged-severe pathology, respectively.