<b>Genetic variability estimation of Nile tilapia strains (<em>Oreochromis niloticus</em>) using the RAPD technique</b> - DOI: 10.4025/actascianimsci.v27i1.1236
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 strainsDownloads
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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> - DOI: 10.4025/actascianimsci.v27i1.1236. Acta Scientiarum. Animal Sciences, 27(1), 1-10. https://doi.org/10.4025/actascianimsci.v27i1.1236
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Section
Animal Breeding and Reproduction
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0.9
2019CiteScore
29th percentile
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