Residents of Great Britain survive the invasion of giant rats, immunity to poisons. Rodents have developed a mutation thanks to which, the poison is harmless to them.
Scientists have conducted research in 17 areas of the UK and in each of them found mutant rats. So, South Gloucestershire about half the rats are immune to poisons, and in Southampton 75%, reports The Daily Mail.
A photo from open sources
Since the same poisons have been used for bullying rats since the 1950s years, even those rodents that have no immunity, learned Avoid them by recognizing taste and smell. Also rats first they try food, and only after making sure that it is harmless, they proceed to food.
Rodent wrestlers urge EU to approve a new potent poison to cope with the invasion of rats, however, experts fear that birds will suffer from it and animals.
A photo from open sources
“If new more toxic poisons are not allowed, rats will have to be destroyed physically, “said a university professor. Huddersfield Dougie Clark. According to him, such a method will cost the country much more expensive.
However, the rapid spread of rats is serious danger, because they are carriers of dangerous to humans diseases. For example, a rat can be infected with leptospirosis, which threatens the development of renal and gastric failure.
A photo from open sources
According to scientists, the population of rats in the UK, starting with April 2013, increased by 50% and may double as much by the end of 2014. If forecasts come true, the number of rodents will be 160 million, reports The Daily Star. From giant not only the UK suffers rodents: rats the size of cats were also found in Sweden and in Ireland.
Researchers fear that rat mutation will result in in the future they will grow at least to the size of a capybara – itself the largest rodent in the world weighing about 60 kilograms.
UK Rats