The application of genomic selection in improvement of molecular breeding programs in aquaculture

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PASANDIDEH REZA; MOHAMMADABADI MOHAMMAD REZA; Pasandideh Majid

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Journal Paper

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Journal: AGRICULTURAL BIOTECHNOLOGY JOURNAL Year:2023 | Volume:14 | Issue:4 Page(s): 133-156

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Title

The application of genomic selection in improvement of molecular breeding programs in aquaculture

Author(s)

PASANDIDEH REZA | MOHAMMADABADI MOHAMMAD REZA | Pasandideh Majid | Issue Writer Certificate

Keywords

Breeding

Marker assistant selection

Genomic selection

Aquaculture

Genetic gain

Abstract

Objective Although aquaculture is the fastest sector in terms of animal protein production in the world, breeding programs in aquatic species have been delayed compared to livestock and plants. Breeding improvement programs in aquaculture mainly based on using of phenotypic and pedigree information in quantitative genetics. However, the approaches based on genomic information such as marker assistant selection (MAS) and genomic selection (GS) have been used to improve economic traits in recent years. The aim of the present paper is to investigate the breeding principles in aquaculture from phenotypic selection to genomic selection, their advantages and limitations and recent advances in different aquatic species. Results Genomic selection increases genetic gain in aquaculture through increasing accuracy of selection, decreasing generation interval, decreasing inbreeding rate, better control of genetic and environment interactions and selection of animals with less sensitivity to environmental variation. Especially, genomic selection is suitable for difficult-to-measure or low heritability traits such as disease resistant, feed intake, reproduction traits and carcass quality. Reference population size, marker density, mating design, number and size of families and number of generations are effective factors in the accuracy of genomic selection in aquaculture. Continuous advances in cost-effective technologies for genotyping especially genotyping-by-sequencing (GBS) and bioinformatics will facilitate faster application of genomic selection in aquaculture. Conclusions Although genomic selection has been used for about 20 aquatic species in recent years and has provided opportunities to improvement of genetic gain, however the advantages of this method should be evaluated in commercial and economic aquatic breeding programs. It is excepted that genomic selection will be widely used in aquatic breeding in the future and pave the way for the sustainable development of this industry.

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APA: Copy

PASANDIDEH, REZA, MOHAMMADABADI, MOHAMMAD REZA, & Pasandideh, Majid. (2023). The application of genomic selection in improvement of molecular breeding programs in aquaculture. JOURNAL OF AGRICULTURAL BIOTECHNOLOGY, 14(4 ), 133-156. SID. https://sid.ir/paper/1057666/en

Vancouver: Copy

PASANDIDEH REZA, MOHAMMADABADI MOHAMMAD REZA, Pasandideh Majid. The application of genomic selection in improvement of molecular breeding programs in aquaculture. JOURNAL OF AGRICULTURAL BIOTECHNOLOGY[Internet]. 2023;14(4 ):133-156. Available from: https://sid.ir/paper/1057666/en

IEEE: Copy

REZA PASANDIDEH, MOHAMMAD REZA MOHAMMADABADI, and Majid Pasandideh, “The application of genomic selection in improvement of molecular breeding programs in aquaculture,” JOURNAL OF AGRICULTURAL BIOTECHNOLOGY, vol. 14, no. 4 , pp. 133–156, 2023, [Online]. Available: https://sid.ir/paper/1057666/en

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