2013
DOI: 10.1590/0001-376520130007
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Abstract: The tambaqui, Colossoma macropomum, is the most popular fish species used for aquaculture in Brazil but there is no study comparing genetic variation among native and farmed populations of this species. In the present study, we analyzed DNA sequences of the mitochondrial DNA to evaluate the genetic diversity among two wild populations, a fry-producing breeding stock, and a sample of fish farm stocks, all from the region of Santarém, in the west of the Brazilian state of Pará. Similar levels of genetic diversit… Show more

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Cited by 19 publications
(25 citation statements)
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“…In terms of genetic conservation, genetic information into restocking programs along with study of the ecology and monitoring is important to verify the potential of biological and genetic impacts of released fishes on wild populations (GARDNER et al, 2010). On the other hand, a major potential problem is the interaction between farmed specimens and wild population through accidental escapes or intentional releases from fish farms (AGUIAR et al, 2013). Thus, through molecular markers can guide management actions that allow the maintenance of genetic stocks in any productive and conservation purpose.…”
Section: Resultsmentioning
confidence: 99%
“…In terms of genetic conservation, genetic information into restocking programs along with study of the ecology and monitoring is important to verify the potential of biological and genetic impacts of released fishes on wild populations (GARDNER et al, 2010). On the other hand, a major potential problem is the interaction between farmed specimens and wild population through accidental escapes or intentional releases from fish farms (AGUIAR et al, 2013). Thus, through molecular markers can guide management actions that allow the maintenance of genetic stocks in any productive and conservation purpose.…”
Section: Resultsmentioning
confidence: 99%
“…While the production of C. macropomum is expanding, there are increasing concerns with regard to the maintenance of the genetic diversity of the farmed stocks, inbreeding depression, the potential of the farm stocks for the development of programs of genetic improvement, and the risk of intraspecific hybridization with wild populations. These problems have been aggravated by the history of domestication, the lack of any systematic breeding management, and the potential for interaction with wild populations in the Amazon basin, which makes the genetic improvement of existing stocks ever more necessary (Aguiar et al., ; Lopes et al., ; Queiroz, Sousa, Silva, & Inoue, ; Santos, Santana, Sá Leitão, Paula‐Silva, & Almeida‐Val, ).…”
Section: Introductionmentioning
confidence: 99%
“…Due to its economic importance in the Amazon, it is essential to understand the levels of genetic variability and genetic structure patterns present in natural populations to develop management strategies that can keep in check the loss of genetic diversity among natural populations (Aguiar et al ., 2013). …”
mentioning
confidence: 99%