The peak distribution in different components of the chicken genome.

1<p>WRR<sub>h</sub>, WRR<sub>l</sub>, XH<sub>h</sub>, and XH<sub>l</sub> indicated the group of Recessive White Rock with high body weight, Recessive White Rock with low body weight, Xinhua Chickens with high body weight, and Xinhua Chickens with low body weight, respectively.</p>2<p>Total peak number indicated the number of methylated peaks in the whole genome in each sample.</p>