图2-10 ILSTS34位点电泳扩增图 16
Figure 2-10 Electrophoresis patterns of representive PCR products of ILSTS34 Loci 16
图2-11 CSRM60位点电泳扩增图 16
Figure 2-11 Electrophoresis patterns of representive PCR products of CSRM60 Loci 16
图2-12 ETH225位点电泳扩增图 17
Figure 2-12 Electrophoresis patterns of representive PCR products of ETH225 Loci 17
图2-13 ILSTS11位点电泳扩增图 17
Figure 2-13 Electrophoresis patterns of representive PCR products of ILSTS11 Loci 17
图2-14 NRA63位点电泳扩增图 17
Figure 2-14 Electrophoresis patterns of representive PCR products of NRA63 Loci 17
图2-15 CSSM08位点电泳扩增图 17
Figure 2-15 Electrophoresis patterns of representive PCR products of CSSM08 Loci 17
图2-16 BM1824位点电泳扩增图 18
Figure 2-16 Electrophoresis patterns of representive PCR products of BM1824 Loci 18
图2-17 基于微卫星位点的14个黄牛群体的NJ聚类图
Figure2-17 Based on microsatellite loci of NJ clustering figure in 14 cattle populaitons
表清单
表序号 表名称 页码
表1-1 采样群体、样品含量和采样地点 7
Table1-1 Sampled populations, places and sample sizes 7
表1-2 14对微卫星引物信息 9
Table 1-2 Primer information of 14 microsatellites 9
表2-1 9个微卫星座位的等位基因数 18
表2-1 Number of alleles of 9 microsatellte loci 18
表2-2 14个黄牛群体间的遗传距离表 18
Table 2-2 Genetic distance among 14 cattle groups 18
绪论
随着我国农业产业结构调整和食物结构的变化,肉牛产业在我国农业和食品消费中的地位日趋重要。对肉牛需求上升,新品种的培育迫在眉睫。
夏南牛作为我国培育的第一个肉牛新品种,于2007年6月29日诞生在河南省泌阳县[1],所以早期又称河南泌阳牛。夏南牛选用法国夏洛来牛作为杂交父本,本地优秀的南阳牛作为母本,将夏洛来牛的12.5%-25%外血导入到南阳牛中,采用三阶段开放式育种方法,经选种选育、自群繁育而培育成肉牛新品种[2]。