<b>Genetic variability estimation of Nile tilapia strains (<em>Oreochromis niloticus</em>) using the RAPD technique</b> - DOI: 10.4025/actascianimsci.v27i1.1236

  • Jayme Aparecido Povh UEM
  • Héden Luiz Marque Moreira Universidade Federal de Pelotas
  • Ricardo Pereira Ribeiro UEM
  • Alberto José Prioli UEM
  • Lauro Vargas UEM
  • Danielly Veloso Blanck UEM
  • Eliane Gasparino UEM
  • Danilo Pedro Streit Jr UEM

Abstract

Genetic variability estimation is highly important in order to achieve genetic improvement. The present experiment aims at estimating the genetic divergence and variability of the Nile tilapia strains (Oreochromis niloticus), Bouaké and Chitralada, in two breeders offsprings, using the Random Amplified Polymorphic DNA (RAPD). Twenty animals from each strain were used. The Jaccard similarity coefficients matrix was used for both designing a dendrogram and determining the genetic divergence of the strains, using Mantel’s test. The genetic variability was estimated by Shannon’s index and the percentage of polymorphic loci. Bouaké and Chitralada’s strains formed different groups. The former strain showed lower genetic divergence and variability in relation to the latter one. The two breeders offsprings had similar genetic variability in both strains

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Author Biography

Jayme Aparecido Povh, UEM
possui graduação em Zootecnia pela Universidade Estadual de Maringá (2001), mestrado em Zootecnia pela Universidade Estadual de Maringá (2004) e doutorado em Zootecnia pela Universidade Estadual de Maringá (2007). Tem experiência na área de Zootecnia, com ênfase em Piscicultura, atuando principalmente nos seguintes temas: piscicultura, genética molecular e reprodução de peixes Currículo Lattes
Published
2008-03-20
How to Cite
Povh, J. A., Moreira, H. L. M., Ribeiro, R. P., Prioli, A. J., Vargas, L., Blanck, D. V., Gasparino, E., & Streit Jr, D. P. (2008). <b>Genetic variability estimation of Nile tilapia strains (<em>Oreochromis niloticus</em>) using the RAPD technique</b&gt; - DOI: 10.4025/actascianimsci.v27i1.1236. Acta Scientiarum. Animal Sciences, 27(1), 1-10. https://doi.org/10.4025/actascianimsci.v27i1.1236
Section
Animal Breeding and Reproduction

0.9
2019CiteScore
 
 
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