遗传距离聚类法和模型聚类法在地方鸡种群体遗传结构分析中的比较_李慧芳.pdf

　2008,39 (11):1460-1465 Acta Veterinaria et Zootechnica S inica 1 1 ＊ 1 1 1 2 1 1 , , 　, , , , , 　 (1., 225003;2., 225009) 　:16 , DA (Nm), DA NJ Structure 2 , 10 。:DA NJ 10 2 :(、、 、)(、、、);, 、;, , 、 , 。Structure , 10 , 。Structure , 10 , 。 :;;; :S813.2　　　　:A 　　　　:0366-6964(2008)11-1460-06 Compared Analysis of Genetic Structure among Chinese ndigenous Chicken Breeds Using Distance-based and Model-based Methods 1 1 ＊ 1 1 1 LI Hui-fang , CHEN Kuan- ei , HAN Wei , ZHANG Xue-yu , GAO Yu-shi , 2 1 1 CHEN Guo-hong , ZHU Yun-fen , WANG Qiang (1.Poultry Institute, ChineseAcademy of Agricultural Sciences, Yangz hou 225003, China;2.College of Animal Science and Technology , Yangzhou University , Yangzhou 225009, China) Abstract:The Neis improved genetic distance (DA)and gene flo (Nm) ere measured using 16 microsatellite markers.Then t o dendograms of clustering based on DA genetic distance using neighbor joining (NJ)method and Structure program ere constructed to analyze the genetic structure and relationship among ten Chinese indigenous chicken breeds.The results sho ed, in dendograms of clustering based on D A genetic distance using NJ method, ten Chinese indigenous chicken breeds ere divided into t o main clusters, one as light eighted (including CHA, TIB, XIA, GUS and BAI), the other as heavy eighted (including LAN, DAG, YOU, LUY and XIS).In light eighted cluster, TIB and CHA, XIA and GUS ere respectively clustered in- to one branch.In heavy eighted cluster, XIS and LUY ere clustered into one branch, but LAN, DAG an