期刊
ANIMAL BIOTECHNOLOGY
卷 27, 期 3, 页码 199-207出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10495398.2016.1167706
关键词
BMP15; BMPR1b; GDF9; Indian goats; PCR-RFLP; prolificacy; tetra primer ARMS-PCR
资金
- Indian Council of Agricultural Research, New Delhi
Goats form the backbone of rural livelihood and financial security systems in India but their population is showing decreasing trend. Improvement of reproductive traits such as prolificacy offers a solution to stabilize the decreasing goat population and to meet the nutritional needs of growing human population. In the present study, six novel SNPs in three candidate genes for prolificacy (BMPR1B, BMP15, and GDF9) were genotyped in seven breeds of Indian goats to evaluate their association with litter size. Tetra primer ARMS-PCR and PCR-RFLP based protocols were developed for genotyping six novel SNPs, namely, T(-242) C in BMPR1B; G735A and C808G in BMP15; and C818T, A959C, and G1189A in GDF9 gene. The effect of breed was highly significant (p <= 0.01) on litter size but the effect of genotype was nonsignificant. The effect of parity on litter size was also significant in the prolific Black Bengal breed. The litter size differences observed between breeds are attributed to breed differences. Novel mutations observed at different loci in GDF9, BMP15, and BMPR1B genes do not contribute to the reproductive capability of the investigated breeds. Further studies with more number of breeds and animals exploring association of these novel SNPs with reproductive traits may be fruitful.
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