News tagged with salmon farming
Three keys to sockeye decline
(Phys.org) -- Competition with pink salmon in the open ocean could be an important factor in the long-term decline in abundance of sockeye salmon populations in the Fraser River, according to new research from Simon Fraser ...
May 18, 2012 |
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Female sex hormones can weaken the ability of fish to protect themselves against environmental toxins
It is well known that female sex hormones (oestrogens) that end up in rivers and lakes, primarily via spillage from sewers and livestock farming, pose a threat to the environment.
Feb 23, 2012 |
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White fish from the North Sea is equally climate friendly as farmed fish
The environmental impact of plaice and cod caught wild in the North Sea is similar to that of imported farmed fish like salmon, tilapia and pangasius. This was the conclusion arrived at by LEI, part of Wageningen ...
Jan 23, 2012 |
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Explosives and fish are traced with chemical tags
Researchers at the University of Oviedo (Spain) have come up with a way of tagging gunpowder which allows its illegal use to be detected even after it has been detonated. Based on the addition of isotopes, ...
Jan 12, 2012 |
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Lethal Atlantic Virus found in Pacific Salmon
The highly contagious marine influenza virus, Infectious Salmon Anaemia (ISA) has for the first time been officially reported after being found in the Pacific on B.C.’s central coast.
Oct 17, 2011 |
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Lice from farmed salmon imperil wild salmon, new study confirms
(PhysOrg.com) -- A new study on the impacts of lice on wild salmon published today by an independent team of academic researchers in the Proceedings of the National Academy of Sciences (PNAS) confirmed what many previous ...
Aug 22, 2011 |
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Judge won't guard fish farm from Grand Coulee flow
(AP) -- A federal judge on Friday refused to order a cut in flows from the Grand Coulee Dam that threaten millions of fish raised in pens downstream in the Columbia River.
May 28, 2011 |
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Key discovery made in war on sea lice infestations
University of Maine researchers have published a paper in which they demonstrate that the blue mussel can eat larvae of the sea louse, a parasitic pest that has recently made a comeback on fish farms, decimating populations ...
Apr 28, 2011 |
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Wild salmon decline was not caused by sea lice from farm salmon: study
A new UC Davis study contradicts earlier reports that salmon farms were responsible for the 2002 population crash of wild pink salmon in the Broughton Archipelago of western Canada.
Dec 13, 2010 |
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Study shows sea lice problem widespread
Salmon farms are transferring parasitic sea lice to wild salmon over a much wider region than first thought. That’s the conclusion of a newly published article called Evidence of farm-induced parasite infestations on ...
Nov 09, 2010 |
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Key nutrient found to prevent cataracts in salmon
The role of a key nutrient which prevents cataracts in salmon has been revealed by eye specialists at the University of East Anglia.
Sep 30, 2010 |
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Environmental scandal in Chile
Until recently, the disastrous scale of the threat posed by salmon farms to the fauna and National Park of the Aysen region of southern Chile was entirely unknown. The unexpected discovery was made by researchers ...
Jun 22, 2010 |
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A new chemical method for distinguishing between farmed and wild salmon
Wild salmon and farmed salmon can now be distinguished from each other by a technique that examines the chemistry of their scales.
Sep 30, 2009 |
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