2013
DOI: 10.1590/s0100-204x2013000800023
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Genetic variability of marine shrimp in the Brazilian industry

Abstract: -The objective of this work was to estimate the genetic variability level and distribution in Brazilian broodstocks of marine shrimp (Litopenaeus vannamei). Nine of the country's largest hatcheries were evaluated using codominant and highly polymorphic microsatellite markers. The results obtained from genotyping of ten microsatellite loci are indicative of genetic variability that is compatible with that found in wild populations of L. vannamei in Mexico and Central America. A possible explanation is the highl… Show more

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Cited by 5 publications
(4 citation statements)
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“…For instance, low genetic differentiation (F ST = 0.015) was reported among six post-larvae producers from Mexico (Perez-Enriquez et al, 2009). In Brazil, little (F ST = 0.000) to moderate (F ST = 0.175) differentiation was observed among nine post-larvae laboratories (Maggioni et al, 2013). In the present study, F ST and G ST values represented only an estimate of relative differentiation among populations.…”
Section: Discussioncontrasting
confidence: 69%
See 1 more Smart Citation
“…For instance, low genetic differentiation (F ST = 0.015) was reported among six post-larvae producers from Mexico (Perez-Enriquez et al, 2009). In Brazil, little (F ST = 0.000) to moderate (F ST = 0.175) differentiation was observed among nine post-larvae laboratories (Maggioni et al, 2013). In the present study, F ST and G ST values represented only an estimate of relative differentiation among populations.…”
Section: Discussioncontrasting
confidence: 69%
“…Using microsatellites, Lima et al (2008) reported F IS ranging from 013 to 0.39 in L. vannamei from Bahia State (Northeastern Brazil). Other studies conducted with L. vannamei populations from Brazilian post-larvae production laboratories showed F IS ranging from 0.00 to 0.38 (Luvesuto et al, 2007;Lima et al, 2010;Maggioni et al, 2013). Considering the history of geographical isolation, the higher F IS values observed in populations Lv-A and Lv-B from Southern Brazil are likely related to inbreeding.…”
Section: Discussionmentioning
confidence: 78%
“…Porém, um total de 52 táxons raros foram registrados com maior frequência durante o verão e ao longo da face sul da ilha. PÉREZ et al, 2005;VALLES-JIMENEZ et al, 2005;MAGGIONI et al, 2013;MONTALDO et al, 2013). Para a Tilápia do Nilo (Oreochromis niloticus), espécie de peixe importante na aquicultura nacional, um estudo recente de caracterização genética foi desenvolvido utilizando marcadores microssatélites, a qual mostrou-se eficiente para determinar índices de variabilidade genética em linhagens de cultivo (FORTE, 2015).…”
Section: Resultsunclassified
“…The lower genetic diversity of cultured populations in comparison with wild populations has been reported for many species, including fish, prawns, sea urchin, oysters, green mussels and abalones [ 371 , 372 , 373 , 374 , 375 , 376 , 377 , 378 , 379 , 380 , 381 ].…”
Section: Comparison Of Wild and Hatchery Stocksmentioning
confidence: 99%