Estimates of strain additive and non-additive genetic effects for growth traits in a diallel cross of three strains of giant freshwater prawn (Macrobrachium rosenbergii) in Vietnam

Thành, Nguyễn Minh; Nguyen, Nguyen Hong; Ponzoni, R. W.; Vu, Nguyen Thanh; Barnes, Andrew C.; Mather, Peter B.

doi:10.1016/j.aquaculture.2009.12.011

Cited by 42 publications

(33 citation statements)

References 34 publications

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“…Kedah progeny group recorded the highest results for all the traits that were investigated. However, one group of Johor progenies was statistically undistinguishable (p>.05) from that of Kedah progeny group for both WT and CL. This finding is similar to those obtained by Thanh et al (2010) for WT and Kitcharoen et al (2010) for CL. Moreover, fixed effects of family, sex and their interactions were found to be significant (p<.001) for all the traits, while replicate was significant (p< .05) only for WT.…”

Section: Discussionsupporting

confidence: 81%

“…These are in line with results obtained by Dinh and Nguyen (2014), Dinh et al (2013), Kitcharoen et al (2012) and Thanh et al (2010) for the same species (Dinh & Nguyen 2014). However, higher results were evidenced by Nugroho et al (2005) showing h 2 estimates as high as 0.84 for body weight and lower estimates as compared to this study were also reported by Luan et al (2012) and Sun et al (2013).…”

Section: Heritability Estimationsupporting

confidence: 57%

“…In addition, these species possess high fecundity that allows application of narrower selection differentials in improvement programs, thus reducing time required to achieve a certain level of improvement. Moreover, economically important quantitative traits for M. rosenbergii were reported to be significantly different among populations or strains (Pillai et al 2011;Thanh et al 2010Thanh et al , 2009, with heritability estimates ranging from moderate to high (Dinh & Nguyen 2014;Dinh et al 2013;Kitcharoen et al 2012;Nugroho et al 2005). Without such variation breeders and geneticists would not be able to make any progress in genetic improvement.…”

Section: Introductionmentioning

confidence: 99%

“…This decline may have been caused by high postlarvae (PL) mortalities as a result of high inbreeding levels attributed to sourcing broodstock directly from grow-out ponds based on their readiness to spawn that includes early maturing small females rather than their breeding values (Bhassu 2009;Mather & De Bruyn 2003;Thanh et al 2010). This latter practice may cause an indirect negative response on weight at harvest.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of Growth Performance in Cyclically Mated Populations of Malaysian Giant Prawn, Macrobrachium rosenbergii, in Malaysia

Elsheikh¹,

Othman²,

Faruq³

et al. 2015

JSM

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Section: Discussionsupporting

confidence: 81%

Section: Heritability Estimationsupporting

confidence: 57%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Evaluation of Growth Performance in Cyclically Mated Populations of Malaysian Giant Prawn, Macrobrachium rosenbergii, in Malaysia

Elsheikh¹,

Othman²,

Faruq³

et al. 2015

JSM

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“…Esta é uma manifestação clara da predominância dos efeitos genéticos aditivos no controle destas características. Isso implica que a seleção artificial de plantas com as características desejáveis dará progênies também com desempenho superior (THANH et al, 2010), pois quando estão presentes efeitos aditivos dos genes a média dos pais é igual à média da F 1 , F 2 e assim consecutivamente (RAMALHO; SANTOS; PINTO, 2008). Sendo, que dentre os métodos de melhoramento, o Pedigree, pode ser considerado o método de condução de população segregante mais eficiente (KIMANI et al, 2007).…”

Section: Resultsunclassified

Análise dialélica como ferramenta na seleção de genitores em feijão

Rocha¹,

Stinghen²,

Gemeli³

et al. 2014

Rev. Ciênc. Agron.

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RESUMO -O sucesso de um programa de melhoramento de plantas autógamas depende da escolha de genitores capazes de produzir progênies com as características desejadas. Sendo assim, este estudo teve como objetivo determinar os valores das capacidades geral e específica de combinação de quatro genótipos de feijão para os caracteres estatura de planta (EP) em centímetros, altura de inserção do primeiro legume (IPL) em centímetros, diâmetro do colo (DC) em milímetros, número de legumes por planta (NLP) e número de grãos por legume (NGL), a fim de avaliar o potencial destes como genitores para uso em programas de melhoramento. Quatro genitores de feijão (BAF07, BAF09 e IPR Uirapuru do grupo comercial preto e BAF50 do grupo comercial carioca) foram hibridados em um dialelo completo para a obtenção dos híbridos F 1 e recíprocos. O desempenho dos genitores, híbridos F 1 e recíprocos foi avaliado a campo em um experimento em blocos casualizados, com duas repetições, durante a safra agrícola de 2009/10. Para análise dialélica foi utilizada a metodologia proposta por Griffing (1956), método I, onde são incluídas n 2 combinações. O genótipo BAF07 pode ser empregado em blocos de cruzamentos quando o escopo do programa for aumentar os valores para EP, IPL, DC e NGL; foi possível observar ainda, através da magnitude dos componentes quadráticos a maior importância da capacidade geral de combinação, ou seja, dos efeitos aditivos no controle genético de características de importância agronômica em feijão. Palavras-chave: Phaseolus vulgaris L.. Capacidade de combinação. Melhoramento genético.ABSTRACT -The success of a breeding programme for autogamous plants depends on the choice of parents capable of producing progeny with the desired characteristics. Therefore, the objective of this study was to determine the values of the general and specific combining capabilities of four bean genotypes, for the characteristics: plant height (PH) in cm; height of insertion of the first pod (HIP) in cm; stem diameter (SD) in mm; number of pods per plant (NPP); and number of grains per pod (NGP); in order to assess their potential for use as parents in breeding programmes. Four bean parents (BAF07, BAF09 and IPR Uirapuru of the black commercial group and BAF50 of the carioca commercial group) were hybridized employing a complete diallel in order to obtain the F 1 hybrids and their reciprocals. The performance of the parents, F 1 hybrids and reciprocals was evaluated in the field in an experimental design of randomised blocks with two replications, during the 2009/10 crop season. For diallel analysis the methodology proposed by Griffing (1956) was used: Method I, where n 2 combinations are included. The BAF07 genotype can be used in blocks of crossings when the aim of the programme is to increase the values for PH, HIP, SD and NGP; it was also possible to observe a greater importance of the general combining capacity, by means of the magnitude of the quadratic components, i.e. of the additive effects in the genetic control of characteristics of agr...

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A Candidate Gene Association Study for Growth Performance in an Improved Giant Freshwater Prawn (Macrobrachium rosenbergii) Culture Line

Jung

Lyons

et al. 2013

Mar Biotechnol

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A candidate gene approach using type I single nucleotide polymorphism (SNP) markers can provide an effective method for detecting genes and gene regions that underlie phenotypic variation in adaptively significant traits. In the absence of available genomic data resources, transcriptomes were recently generated in Macrobrachium rosenbergii to identify candidate genes and markers potentially associated with growth. The characterisation of 47 candidate loci by ABI re-sequencing of four cultured and eight wild samples revealed 342 putative SNPs. Among these, 28 SNPs were selected in 23 growth-related candidate genes to genotype in 200 animals selected for improved growth performance in an experimental GFP culture line in Vietnam. The associations between SNP markers and individual growth performance were then examined. For additive and dominant effects, a total of three exonic SNPs in glycogen phosphorylase (additive), heat shock protein 90 (additive and dominant) and peroxidasin (additive), and a total of six intronic SNPs in ankyrin repeats-like protein (additive and dominant), rolling pebbles (dominant), transforming growth factor-β induced precursor (dominant), and UTP-glucose-1-phosphate uridylyltransferase 2 (dominant) genes showed significant associations with the estimated breeding values in the experimental animals (P =0.001-0.031). Individually, they explained 2.6-4.8 % of the genetic variance (R²=0.026-0.048). This is the first large set of SNP markers reported for M. rosenbergii and will be useful for confirmation of associations in other samples or culture lines as well as having applications in marker-assisted selection in future breeding programs.

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Estimates of strain additive and non-additive genetic effects for growth traits in a diallel cross of three strains of giant freshwater prawn (Macrobrachium rosenbergii) in Vietnam

Cited by 42 publications

References 34 publications

Evaluation of Growth Performance in Cyclically Mated Populations of Malaysian Giant Prawn, Macrobrachium rosenbergii, in Malaysia

Evaluation of Growth Performance in Cyclically Mated Populations of Malaysian Giant Prawn, Macrobrachium rosenbergii, in Malaysia

Análise dialélica como ferramenta na seleção de genitores em feijão

A Candidate Gene Association Study for Growth Performance in an Improved Giant Freshwater Prawn (Macrobrachium rosenbergii) Culture Line

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