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Cited by 593

The DOI matches its Crossref record; 66 of the 66 references it cites were found in a registry or an index.

Fitness of hatchery‐reared salmonids in the wild

Open access
Araki, Hitoshi, Berejikian, Barry A., Ford, Michael J., Blouin, Michael S.·2008·Evolutionary Applications

Abstract

Accumulating data indicate that hatchery fish have lower fitness in natural environments than wild fish. This fitness decline can occur very quickly, sometimes following only one or two generations of captive rearing. In this review, we summarize existing data on the fitness of hatchery fish in the wild, and we investigate the conditions under which rapid fitness declines can occur. The summary of studies to date suggests: nonlocal hatchery stocks consistently reproduce very poorly in the wild; hatchery stocks that use wild, local fish for captive propagation generally perform better than nonlocal stocks, but often worse than wild fish. However, the data above are from a limited number of studies and species, and more studies are needed before one can generalize further. We used a simple quantitative genetic model to evaluate whether domestication selection is a sufficient explanation for some observed rapid fitness declines. We show that if selection acts on a single trait, such rapid effects can be explained only when selection is very strong, both in captivity and in the wild, and when the heritability of the trait under selection is high. If selection acts on multiple traits throughout the life cycle, rapid fitness declines are plausible.

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Crossref · 10.1111/j.1752-4571.2008.00026.x

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Metadata

Authors
Araki, H., Berejikian, B. A., Ford, M. J., & Blouin, M. S.
Venue
Evolutionary Applications
Publisher
Wiley
Published
2008-04-28
Volume
1
Issue
2
Pages
342-355
ISSN
  • 1752-4563 (ISSN-L)
  • 1752-4571
OpenAlex
W2150135252
Cited by
593
References
66
FWCI
26.37
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Fitness of hatchery‐reared salmonids in the wild. https://app.cochat.ai/papers/10.1111/j.1752-4571.2008.00026.x
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Araki, H., Berejikian, B. A., Ford, M. J., & Blouin, M. S. (2008). Fitness of hatchery‐reared salmonids in the wild. Evolutionary Applications. https://doi.org/10.1111/j.1752-4571.2008.00026.x

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