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| Main Authors: | , , , , , , , , , , , , , , , |
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| Format: | Artículo científico |
| Language: | en |
| Published: |
Science advances
2024
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| Subjects: | |
| Online Access: | https://pubmed.ncbi.nlm.nih.gov/39413187/ |
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Table of Contents:
- Pathogens from salmon aquaculture in relation to conservation of wild Pacific salmon in Canada. Krkosek, Martin Bateman, Andrew W Bass, Arthur L Bugg, William S Connors, Brendan M Deeg, Christoph M Di Cicco, Emiliano Godwin, Sean Grimm, Jaime Krichel, Leila Mordecai, Gideon Morton, Alexandra Peacock, Stephanie Shea, Dylan Riddell, Brian Miller, Kristina M Animals Aquaculture Fish Diseases Salmon Canada Conservation of Natural Resources British Columbia Animals, Wild The spread of pathogens from farmed salmon is a conservation concern for wild Pacific salmon in British Columbia (BC), Canada. Three pathogens are prevalent in farmed Atlantic salmon in BC, spill over to wild Pacific salmon, and are linked to negative impacts on wild salmon: Piscine orthoreovirus, spp., and sea lice (). Molecular screening of infectious agents in farmed and wild salmon and environmental DNA highlights a further 4 agents that are likely elevated near salmon farms and 37 that co-occur in wild and farmed salmon. Pathogens likely affect wild salmon indirectly by mediating migration, competition, and predation. Current net-pen aquaculture practices pose these risks to numerous populations of all species of wild salmon in BC, most of which are not covered in Government of Canada science and advisory reports. Climate change, pathogen evolution, and changes to disease management and aquaculture regulations will influence future risks.