Heritability for body colour and its genetic association with morphometric traits in Banana shrimp (Fenneropenaeus merguiensis)

Nguyen Hong Nguyen; Jane Quinn; Daniel Powell; Abigail Elizur; Thoa Ngo Phu; Josephine N Nocillado; Robert W Lamont; Courtney Remilton; Wayne R Knibb

doi:10.1186/s12863-014-0132-5

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Heritability for body colour and its genetic association with morphometric traits in Banana shrimp (Fenneropenaeus merguiensis)

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Heritability for body colour and its genetic association with morphometric traits in Banana shrimp (Fenneropenaeus merguiensis)

Nguyen Hong Nguyen, Jane Quinn, Daniel Powell, Abigail Elizur, Thoa Ngo Phu, Josephine N Nocillado, Robert W Lamont, Courtney Remilton and Wayne R Knibb

BMC Genetics, Vol.15, 132

2014

DOI: https://doi.org/10.1186/s12863-014-0132-5

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Abstract

genetic improvement

selection

meat quality and shrimp breeding

Background: Banana shrimp Fenneropenaeus merguiensis has emerged as an important aquacultured shrimp species in South East Asia and Australia. However, the quantitative genetic basis of economically important traits in this species are currently not available, while for body colour, cooked or uncooked, there are no genetic parameter estimates for any shrimp or indeed any decapod crustacean. In this study, we report for banana shrimp genetic parameters for morphometric traits and, the first time for any shrimp, parameter estimates for body colour. Ten highly polymorphic microsatellite markers were developed from genomic sequences and used to construct a pedigree for 2000 offspring from approximately 60 female and 60 male parents that were sampled from a single routine commercial production pond. Results: Restricted maximum likelihood method applied to a single trait mixed model was used to estimate heritabilities, while correlations were estimated using the multi-trait approach. The estimates of heritability for morphometric traits were moderate to high (h2 = 0.14 - 0.50). Body colour of uncooked shrimp showed a heritable additive genetic component (h2 = 0.03 - 0.55), and those estimates obtained for cooked shrimp were significantly different from zero. Genetic correlations among morphometric traits were all positive and very high (close to unity, rg =0.85 - 0.99). The genetic correlations of body traits (weight, length and width) were positive with both colour after cooking (0.74 - 0.84) and body colour measured on live shrimp (0.59 to 0.70). The positive genetic correlations between the cooked body colour and uncooked body colour (0.64±0.20) suggests these two traits can be simultaneously improved in practical selective breeding programs. This first ever report of genetic parameters for cooked or uncooked colour in crustacean indicates there is potential for genetic improvement of both growth and body colour through selection. Conclusions: In the present study we demonstrated for banana shrimp that genetic parameters can be estimated from commercial samples (using pedigrees based on DNA markers), that selection for shrimp colour should be successful under such commercial conditions.

Details

Title: Heritability for body colour and its genetic association with morphometric traits in Banana shrimp (Fenneropenaeus merguiensis)
Authors: Nguyen Hong Nguyen (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Jane Quinn (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Daniel Powell (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Abigail Elizur (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Thoa Ngo Phu (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Josephine N Nocillado (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Robert W Lamont (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Courtney Remilton (Author) - Seafarm, Australia
Wayne R Knibb (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Publication details: BMC Genetics, Vol.15, 132
Publisher: BioMed Central Ltd.
Date published: 2014
DOI: 10.1186/s12863-014-0132-5
ISSN: 1471-2156
Copyright note: Copyright © 2014 Nguyen et al.; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; GeneCology Research Centre - Legacy; Office of Research; School of Science, Technology and Engineering; School of Law and Society; Centre for Bioinnovation
Language: English
Record Identifier: 99448947202621
Output Type: Journal article

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