Relationship Between Shell Color and Growth and Survival Traits in the Pacific Oyster Crassostrea gigas

Han, Ziqiang; Li, Qi

doi:10.1007/s11802-021-4676-5

Cited by 6 publications

(2 citation statements)

References 24 publications

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“…To date, these relationships seem very dependent on the lines studied. These correlations vary depending on studies, sometimes showing traits to be uncorrelated (Han and Li, 2021;Wan et al, 2017) and sometimes highly correlated (Xu et al, 2017). In our two populations, it seems that the colour traits are either uncorrelated or only slightly genetically correlated with growth traits, except for the P1 where the colour parameter b* is moderately correlated with the total weight, length and weight of the valves (≈ 0.5).…”

Section: Genetic Correlation Estimatesmentioning

confidence: 68%

Potential of genomic selection for growth, meat content and colour traits in mixed-family breeding designs for the Pacific oyster Crassostrea gigas

et al. 2023

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Section: Genetic Correlation Estimatesmentioning

confidence: 68%

Potential of genomic selection for growth, meat content and colour traits in mixed-family breeding designs for the Pacific oyster Crassostrea gigas

et al. 2023

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“…Shell colour traits have no positive correlation with almost all growth traits. 110,112,119,120 Therefore, oyster shell colour and growth traits should be selected separately, or production traits should be selected using shell-colour lines.…”

Section: Selection For Shell Colourmentioning

confidence: 99%

Genetic improvement of oysters: Current status, challenges, and prospects

Jiang,

Chen,

Jiang

et al. 2023

Reviews in Aquaculture

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Oysters are one of the most commercially important shellfish species and have been cultured for thousands of years. Oyster aquaculture supports the major aquaculture industries in many countries. Over the last few decades, the oyster breeding and aquaculture industries have developed rapidly to meet the continually growing demand. Many researchers have made significant efforts toward the genetic improvement of commercially important traits in oysters. Some strains with fast‐growing, disease‐resistant, and stable shell‐colours have been developed through selective breeding. Some hybrid varieties have been developed by crossing different geographical populations or cultivated strains. Several hybrids exhibit considerable genetic variation and improved productive performance. Additionally, polyploid induction technologies have been applied in the oyster aquaculture industry, which provides a useful tool for performance improvement and genetic containment of cultured stocks. At present, the development of molecular breeding also provides a great opportunity for oyster genetic improvement. These advances in oyster breeding have improved the quality of oysters, brought great economic benefits, and been conducive to the sustainability of oyster production. Nonetheless, there are still some limitations and obstacles in oyster breeding, such as infectious diseases, summer mortality, conservation of germplasm resources, environmental contamination, and climate change. The present review provides an overview of the current status, challenges, and prospects in oyster breeding.

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