Genetic diversity of Colossoma macropomum broodstocks

被引：15

作者：

Lopes, T. S. ^{[1
]}

Streit, D. P., Jr. ^{[2
]}

Ribeiro, R. P. ^{[1
]}

Povh, J. A. ^{[1
]}

Lopera-Barrero, N. M. ^{[1
]}

Vargas, L. ^{[1
]}

Pinto Filho, C. ^{[3
]}

Queiroz, J. R. ^{[3
]}

机构：

[1] Ctr Ciencias Agr UEM, BR-87020900 Maringa, Parana, Brazil

[2] Univ Fed Rio Grande do Sul, Porto Alegre, RS, Brazil

[3] SEAPES, Porto Velho, RO, Brazil

来源：

ARQUIVO BRASILEIRO DE MEDICINA VETERINARIA E ZOOTECNIA | 2009年 / 61卷 / 03期

关键词：

tambaqui; Colossoma macropomum; RAPD; genetic variability; genetic monitoring; VARIABILITY; RELATEDNESS; HATCHERY; WILD;

D O I：

10.1590/S0102-09352009000300029

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

The genetic diversity of tambaqui (Colossoma macropomum) broodstocks from two hatchery station in Rondonia State was studied by the RAPD marker. Ten primers were used to analyze 30 broodstocks samples from the hatchery stations of Boa Esperanca and Vale Verde. The polymorphic fragments percentage and Shannon genetic diversity index were high in the two broodstocks. The Boa Esperanca broodstock presented an exclusive fragment. The genetic differentiation was low and the number of migrants per generation was high among the broodstocks. The dendrogram did not separate the broodstocks individuals in different groups. The results indicate a high genetic variability in the broodstocks, being a little bit lower in the Vale Verde broodstock. Besides, there is a genetic proximity among the broodstocks.

引用

页码：728 / 735

页数：8

共 27 条

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