By: Richard Gray Published: The Telegraph, 29 May 2013
The researchers fear that plans to farm a new type of GM salmon that grows faster than normal salmon may result in some of the animals escaping into streams and rivers.
They conducted a study to examine the impacts that such an escape would have on natural habitats.
They found that the GM salmon, which have been developed by a Canada firm and are expected to be given approval for sale as food in the US, could mate with wild brown trout.
This resulted in a “hybrid” species that grew faster than even the GM salmon. They also “out competed” wild fish in laboratory based simulation of a stream.
Dr Krista Oke, who led the work at the department of biology at McGill University in Quebec, Canada, said: “To the best of our knowledge, this is the first study demonstrating transmission and ecological consequences from interspecific hybridisation between a GM animal and a naturally hybridising species.
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