Abstract:

To study the Molecular Mechanisms of fecundity trait in Daiyun Goat. BMPR-IB, BMP15 and GDF9 which control the fecundity of sheep were studied as candidate genes. PCR-RFLP was applied to analyze the relationship between the gene and genotype polymorphisms of BMPR-IB, BMP15 and GDF9 in Daiyun Goat and their prolific trait. The results showed that there was no same mutation in BMPR-IB gene of Daiyun Goat as that of Booroola Merino. The FecXI, FecXH , FecXB of BMP15 and FecGH of GDF9 were not found. Then it was ruled out the possibility that the fecundity of Daiyun Goat were affected by the mutations of BMPR-IB, BMP15 and GDF9 gene. As we didn’t knew the whole gene sequence of the three genes in Daiyun Goat, it’s hard to determine whether these genes affected the fecundity of Daiyun Goat.