Poison resistant ’super rats’ invade Britain

May 16th, 2009 - 4:12 pm ICT by ANI  

London, May 16 (ANI): A new breed of “super rat” with DNA that makes them resistant to poison and subsequently almost impossible to kill are evolving in the British corners, experts have warned.

According to Professor Robert Smith at the University of Huddersfield, genetic mutations have led rats across the country to develop protection against standard toxins.

Ratcatchers in Berkshire and Hampshire first reported that their poisons were no longer working on the vermins and scientists accorded the reason to boosted immunity among the pests, thanks to an entirely new strand of DNA.

Smith, from the applied sciences department, said these “super rats” could be spreading across the country, that is believed to have witnessed a rise of more than 200 per cent in rat population since 2007.

“Natural selection means that when you have a rat population in your town, poison will kill the ones that aren’t resistant, the ones that survive may have the gene, they then have babies who can receive the gene themselves,” Telegraph quoted him as saying.

“There are mutations and changes in their DNA that alter the ability of rats to deal with these poisons. It appears to be moving west and has now been located in Swindon and Bristol. It is a warning of things to come,” he added. (ANI)

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