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陈祥, 廖正录, 李国红, 张芸, 简承松, 魏泓, 李虹. 2004: 贵州地方山羊品种的RAPD分析. 动物学研究, 25(2): 141-146.
引用本文: 陈祥, 廖正录, 李国红, 张芸, 简承松, 魏泓, 李虹. 2004: 贵州地方山羊品种的RAPD分析. 动物学研究, 25(2): 141-146.
CHEN Xiang, LIAO Zheng-lu, LI Guo-hong, Zhang Yun, JIAN Cheng-song, WEI Hong, LI Hong. 2004. RAPD Analysis on Guizhou Native Goat Breeds. Zoological Research, 25(2): 141-146.
Citation: CHEN Xiang, LIAO Zheng-lu, LI Guo-hong, Zhang Yun, JIAN Cheng-song, WEI Hong, LI Hong. 2004. RAPD Analysis on Guizhou Native Goat Breeds. Zoological Research, 25(2): 141-146.

贵州地方山羊品种的RAPD分析

RAPD Analysis on Guizhou Native Goat Breeds

  • 摘要: 用180条引物对黔东南小香羊、贵州白山羊、贵州黑山羊和黔北麻羊4个贵州地方山羊品种(种群),以及南江黄羊和波尔山羊进行RAPD分析,其中27条引物扩增出多态性图谱。这27条引物共扩增出281条带,多态带为115条,平均多态频率为40.92%(范围20%—80%);每条引物平均扩增条带为10.41条(范围4-16条);扩增带分子量在210—2800 bp。贵州白山羊与贵州黑山羊之间的遗传距离指数(0.0605)最小,而波尔山羊与其他品种之间的遗传距离指数(0.1059—0.1488)最大。NJ法聚类结果显示,贵州白山羊与贵州黑山羊间的亲缘关系最近,其次为黔北麻羊,而黔东南小香羊与其他3个贵州地方品种的亲缘关系较南江黄羊还远。分析表明,黔东南小香羊在遗传上为一独立的品种;而贵州地方山羊品种间具有较近的亲缘关系,遗传变异较小,具有较高的遗传稳定性。

     

    Abstract: We used 180 primers in RAPD analysis of Guizhou native goats (the small-xiang goat,Guizhou white goat,Guizhou black goat and Qianbei-pockmarked goat),Nanjiang brown goats and Boer goats.Of the primers,27 amplified polymorphic patterns,including 281 bands.Of the bands,115 were polymorphic and their frequency was 40.92% on average (range 20%-80%).Each of the 27 primers had 10.41 bands on average (range 4-16),and the fragment length of products was 210-2 800 bp.Genetic distance index appeared the lowest between the Guizhou black goat and Guizhou white goat (0.0605),and the highest between the Boer goat and the other goats (0.1059-0.1488).NJ tree indicated that the Guizhou white goat was closely related to the Guizhou black goat,and the next was the Qianbei-pockmarked goat;the small-xiang goat was farther from the other Guizhou native goats than Nanjiang brown goat from.The results analysis suggest that the small-xiang goat is a independent breed on genetics,and Guizhou native goat breeds have the close genetic relationship,low genetic variability and high genetic stability.

     

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