PCR-RFLP method was adopted to examine me variety of genes PRL and PRLR in five populations (landrace and Large White from Zhenghong; Landrace, Large White Duroc from me farm in the agriculture institute of Yiyang).

• 采用PCR-RFLP方法检测了5个猪群(正虹种猪场长白、大白；益阳农科所种猪场杜洛克、长白、大白)PRL和PRLR基因的多态性。