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当前位置: 首页 > 文章 > BMPR-IB基因多态性与河北肉用绵羊产羔数及羔羊生长发育的相关性研究 黑龙江畜牧兽医 2011 (13) 13-15
Position: Home > Articles > Correlation study on polymorphism of BMPR-IB gene with litter size and growth and development in Hebei mutton sheep Heilongjiang Animal Science and Veterinary Medicine 2011 (13) 13-15

BMPR-IB基因多态性与河北肉用绵羊产羔数及羔羊生长发育的相关性研究

作  者：
孙洪新;敦伟涛;陈晓勇;田树军;谭薇
单  位：
河北省畜牧兽医研究所;河北农业大学动物科技学院;中牧实业股份有限公司技术中心
关键词：
BMPR-IB基因;河北肉用绵羊;产羔数;体尺
摘  要：
为了研究BMPR-IB基因单核苷酸多态性及其对绵羊产羔数和羔羊生长发育的影响,试验采用PCR-RFLP方法对小尾寒羊、杜泊、德克赛尔及河北肉用绵羊的BMPR-IB基因单核苷酸多态性进行了测定,并对BMPR-IB基因多态性与河北肉用绵羊产羔数和生长发育的关系进行了研究。结果表明:基因型频率在各品种间分布极不平衡,BB基因型河北肉用绵羊群体的总体平均产羔数显著高于B+基因型(P<0.05),极显著高于++基因型群体(P<0.01);90日龄时,++基因型河北肉用绵羊的胸宽和腰角宽显著高于B+基因型群体(P<0.05)。说明BMPR-IB基因的基因型对河北肉用绵羊羔羊的生长发育有一定影响。
译  名：
Correlation study on polymorphism of BMPR-IB gene with litter size and growth and development in Hebei mutton sheep
作  者：
SUN Hong-xin1,DUN Wei-tao1,CHEN Xiao-yong1,TIAN Shu-jun2,TAN Wei3(1.Research Institute of Animal Husbandry and Veterinary Medicine of Hebei Province,Baoding 071000,China; 2.College of Animal Science and Technology,Hebei Agriculture University,Baoding 071001,China; 3.Technology Center,China Animal Husbandry Industry CO.,LTD,Beijing 100070,China)
关键词：
BMPR-IB gene;Hebei mutton sheep;litter size;body size
摘  要：
To study the effect of polymorphism of BMPR-IB gene and its correlation with litter size and body size within sheep.The DNA samples were collected and amplified by PCR-RFLP method from Small-tailed Han sheep,Texel,Dorper and Hebei mutton sheep.THe relationship between the polymorphism of BMPR-IB gene and prolificacy as well as growth and development were analyzed.The results showed that the genotype frequency of BMPR-IB gene was significantly different in these breeds.The analysis results of litter size and body size within Hebei mutton sheep showed that sheep with genotype BB had a greater total litter size than those with genotype B+(P<0.05) and ++(P < 0.01).At age of 90 days,the lambs with genotype ++ was significantly greater than those with geno type B+ in chest width and hip width(P<0.05),these findings indicated that the genotype of BMPR-IB gene could affect growth and development of Hebei mutton sheep.

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