title: The transcriptome sequencing reveals the divergence of the genetic mechanism of reproductive traits in two Chinese native breeds
design: Four XH hens, XH1 and XH2 are broody and lasted for more than 7 d, and XH3 and XH4 are continuously laying, and 4 BEH hens, BEH1 and BEH2 are broody and lasted for more than 7 d, and BEH3 and BEH4 are continuously laying, were used.