Genetic parameters and genotype by environment interactions for harvest traits in the Pacific oyster (Crassostrea gigas)

Chi, Yong; Li, Qi; Xu, Chengxun

doi:10.1007/s10499-023-01159-8

Cited by 1 publication

(2 citation statements)

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“…Different genotypes may have different performance responses to changes in the environment. The presence of G × E interaction may result in genotype re‐ranking which means the best‐performing genotype in one environment may not be the best in other environments 44 . Genotype re‐ranking reduces the realized impact of genetic gain on target traits, which indicates a single selection environment is not suitable for traits with strong G × E interactions in a breeding program.…”

Section: Current Status Of Selective Breeding Programsmentioning

confidence: 99%

“…Genotype re‐ranking reduces the realized impact of genetic gain on target traits, which indicates a single selection environment is not suitable for traits with strong G × E interactions in a breeding program. G × E interactions should be considered in oyster breeding programs servicing multiple sites 44 . For example, G × E interaction must be taken into account when carrying out a selection breeding program for disease resistance.…”

Section: Current Status Of Selective Breeding Programsmentioning

confidence: 99%

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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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Section: Current Status Of Selective Breeding Programsmentioning

confidence: 99%

Section: Current Status Of Selective Breeding Programsmentioning

confidence: 99%