New disease threatens frogs

British scientists said the toads get a new disease is highly contagious, can threaten their numbers in the world.

The scientists said in a study published in the journal of the National Academy of Sciences Monday, they spotted a disease caused by parasitic single-celled microbes in the samples from the livers of toads, collected from six countries on three continents.

They said they spotted the disease in tropical locations and also moderate areas, from afar It belongs to the same parasitic diseases that infect shellfish family.

Thomas Richards said  of Exeter University, who participated in the supervision of the study "World Census of frogs is suffering from a serious decline and proved to be an influential factor of infectious disease."

He added: "We now need to know whether this new microbe is causing severe disease can lead to a decrease in the numbers of frogs."

And amphibians of the most endangered animals, and in 2008 was considered 32 percent of frog species are threatened with extinction, also considered threatened 42 percent decrease.