The single nucleotide polymorphism(SNP)at extron1 site of BMP15 gene of Mongolian sheep was studied by PCR-SSCP and its association with prolificacy was analyzed.

• 采用PCR-SSCP技术对蒙古羊BMP15基因外显子1位点的单核苷酸多态性(SNP)进行了检测,并对其与产羔性能关系进行了分析。