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1. www.fisheries.noaa.gov › feature-story › crackingCracking the Code: Scientists Use DNA to Examine Differences ...

   www.fisheries.noaa.gov › feature-story › cracking

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   Feb 14, 2024 · Hatchery-reared salmon show genetic differences from wild populations in only a few generations, but those differences vary among hatcheries. A new genetic study shows hatchery salmon’s adaptation to their environment can lead to potentially adaptive genetic differences between hatchery and wild salmon populations in only a few generations.

2. www.fws.gov › story › 2022-08Steelhead Study Results in Several Interesting Conclusions

   www.fws.gov › story › 2022-08

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   Aug 8, 2022 · Unfortunately, recent genetic studies have shown that fish raised in the hatchery from adult hatchery fish become genetically different than steelhead raised naturally in the streams. Additionally, these hatchery fish don’t survive as well in the wild relative to fish raised naturally in the streams.

3. People also ask

   Do hatchery stocks and wild populations in largemouth bass have genetic structure?

   • In this study, we investigated the population genetic structure of hatchery stocks and wild populations in the largemouth bass based on eight polymorphic microsatellite loci. Samples encompassed both populations from wild habitats and hatcheries or domestic fish ponds.

   Global diversity and genetic landscape of natural populations and

   www.nature.com/articles/s41598-019-53026-3

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   Does freshwater fish growth lead to poor hatchery fish success?

   • Additionally, they found that juvenile steelhead from each parent type were found in the same areas spread throughout the creek. These results support that idea that freshwater fish growth is not a mechanism leading to poor hatchery fish success and that the reason may lie at another point in the fish’s life.

   Steelhead Study Results in Several Interesting Conclusions

   www.fws.gov/story/2022-08/steelhead-study-results-several-interesting-conclusions

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   Are hatchery fish genetically different than steelhead?

   • Unfortunately, recent genetic studies have shown that fish raised in the hatchery from adult hatchery fish become genetically different than steelhead raised naturally in the streams. Additionally, these hatchery fish don’t survive as well in the wild relative to fish raised naturally in the streams.

   Steelhead Study Results in Several Interesting Conclusions

   www.fws.gov/story/2022-08/steelhead-study-results-several-interesting-conclusions

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   Do hatchery fish mate with wild fish?

   • Additionally, these hatchery fish don’t survive as well in the wild relative to fish raised naturally in the streams. This pattern led to concerns about hatchery fish mating with wild fish and hatchery fish giving “bad” genes to the wild fish potentially hurting wild populations.

   Steelhead Study Results in Several Interesting Conclusions

   www.fws.gov/story/2022-08/steelhead-study-results-several-interesting-conclusions

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4. www.ncbi.nlm.nih.gov › pmc › articlesGenetic Differentiation in Hatchery and Stocked Populations ...

   www.ncbi.nlm.nih.gov › pmc › articles

   Feb 10, 2020 · Abstract. The impacts and interactions between hatchery-bred fish and wild fish populations has been a topic of active investigation in recent decades. In some instances, the benefits of stocking can be overshadowed by negative effects such as genetic introgression with natural populations, loss of genetic diversity, and dilution of local ...

   • Author: Rafał Bernaś, Anita Poćwierz-Kotus, Mariann Árnyasi, Matthew Peter Kent, Sigbjørn Lien, Roman Wenne
   • DOI: 10.3390/genes11020184

   • Publish Year: 2020
   • Publication: Genes (Basel). 2020 Feb; 11(2): 184.

5. www.nature.com › articles › s41437/020/0346-4Rearing environment affects the genetic architecture and ...

   www.nature.com › articles › s41437/020/0346-4

   Jul 22, 2020 · The genetic architecture of DNA methylation differed between rearing environments, with greater additive and nonadditive genetic variance in hatchery fish and greater maternal effects in...

   • Author: Clare J Venney, Kyle W Wellband, Kyle W Wellband, Daniel D Heath

   • Publish Year: 2021

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     Trends in aquaculture hatcheries: Breeding and genetics

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     Evolution, Speciation, and Adaptation of Cichlid Fish | Axel Meyer || Radcliffe Institute

     Oct 31, 2017

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     5. How Selection Changes the Genetic Composition of Population

     Sep 1, 2009

     40.1K Views

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7. onlinelibrary.wiley.com › doi › 10Genomic evidence for domestication selection in three ...

   onlinelibrary.wiley.com › doi › 10

   Feb 14, 2024 · Domestication selection, or adaptation to the hatchery environment, poses a risk to wild populations if traits specific to success in the hatchery environment have a genetic component and there is subsequent introgression between hatchery and wild fish.

8. www.adn.com › science › articleHow different are hatchery fish from wild ones? The DNA ...

   www.adn.com › science › article

   Sep 30, 2016 · Hatchery-raised fish became genetically distinct from their wild counterparts in a single generation, a new study of Oregon steelhead trout found. The study, published in the journal Nature...

9. www.nature.com › articles › s41598/019/53026-3Global diversity and genetic landscape of natural populations ...

   www.nature.com › articles › s41598/019/53026-3

   Nov 13, 2019 · Our major findings are as follows: (1) the result of Fst showed largemouth bass had high genetic differentiation, and the gene flow indicated the genetic exchange among wild populations is...