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

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

   Can a hatchery help stabilize fish populations?

   • Hatcheriescan help stabilize populations, allowing fishing operations to continue, but only if they produce fish whose offspring can thrive in the wild. Michael Blouin, a biology professor at Oregon State University, has long known that fish raised in the concrete troughs of a hatchery are different than wild fish.

   Are Hatcheries Helping, or Hurting, Wild Fish Populations?

   www.discovermagazine.com/health/are-hatcheries-helping-or-hurting-wild-fish-populations

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   Are hatchery fish a threat to wild fish?

   • “Hatchery fish areoften detrimental to wild fish populations when they dominate spawning grounds. Fisheries for steelhead and salmon are increasingly supported by hatchery fish, and wild fish increasingly are in decline, often to threatened or endangered status,” says Moyle.

   Are Hatcheries Helping, or Hurting, Wild Fish Populations?

   www.discovermagazine.com/health/are-hatcheries-helping-or-hurting-wild-fish-populations

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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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   Do hatcheries make fish eat more?

   • But she said hatcheries accelerate physiological changes by feeding the fish a diet that’s far more calorie-rich than in the wild, releasing them at one year of age.

   Are Hatcheries Helping, or Hurting, Wild Fish Populations?

   www.discovermagazine.com/health/are-hatcheries-helping-or-hurting-wild-fish-populations

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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 · High-throughput single-nucleotide polymorphism (SNP) genotyping was performed on samples of sea trout from southern Baltic populations; results suggest that a significant portion of the sea trout catches in the Vistula mouth region have direct hatchery origin and indicate the presence of Pomeranian specimens.

   • 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.discovermagazine.com › health › are-hatcheriesAre Hatcheries Helping, or Hurting, Wild Fish Populations?

   www.discovermagazine.com › health › are-hatcheries

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   Mar 3, 2016 · Blouin and his team published new findings this month that revealed hundreds of genes were being expressed differently due to growing up in hatchery conditions. They counted 723 genes that were expressed differently between fish born from two wild parents and fish born from two hatchery-raised parents.

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

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7. 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

8. today.oregonstate.edu › archives › 2016DNA evidence shows that salmon hatcheries cause substantial ...

   today.oregonstate.edu › archives › 2016

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   Feb 12, 2016 · DNA evidence shows that salmon hatcheries cause substantial, rapid genetic changes. CORVALLIS, Ore. - A new study on steelhead trout in Oregon offers genetic evidence that wild and hatchery fish are different at the DNA level, and that they can become different with surprising speed.

9. 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...