Data generated from RNA-seq.

<p><sup>1</sup>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><p><sup>2</sup>Percentage of mapped reads in total reads.</p><p>Data generated from RNA-seq.</p>