Rats are being trained to be sent into earthquake debris wearing tiny backpacks, so rescue teams can talk to survivors.

The innovative project is being worked on by 33-year-old research scientist Dr Donna Kean from Glasgow.

So far seven rats have been trained, taking only two weeks to get them up to speed.

At the moment homemade prototype backpacks containing a microphone are being used, and scientists are sending them into mock debris.

Specialist backpacks containing microphones and video gear as well as location trackers will be created to allow rescue teams to communicate with survivors during real earthquakes.

Donna has been based in Morogoro, Tanzania,  for one year, working with non-profit organization APOPO for a project named Hero Rats.

The rodents will get the chance to work in the field when they are sent to Turkey, which is prone to earthquakes, to work with a search and rescue team.

Donna, who studied ecology at Strathclyde University before going on to do an MA at the University of Kent and a PhD at Stirling University, originally was interested in primate behavior.

But she was fascinated by how quickly rats can learn and be trained, and said it is a misconception that they are unhygienic.

She described them as "sociable" creatures, and believes the work being done will save lives.

Altogether 170 rats are being trained for projects including landmines and TB and it is hoped rats could sniff out Brucellosis, an infectious disease which impacts livestock.

The rats are so nimble that they have never set off a landmine and their agility makes them perfect for using in disaster zones.

"Rats would be able to get into small spaces to get to victims buried in rubble," Donna said. "We have not been in a real situation yet, we have got a mock debris site.

"When we get the new backpacks we will be able to hear from where we are based and where the rat is, inside the debris.

"We have the potential to speak to victims through the rat."

The rodents are trained to respond to a beep, which calls them back to the base.

"A colleague is a seamstress, she makes the backpacks, she's very talented," Donna added. "We are getting custom-made backpacks which will have video recorders, microphones and a location transmitter.

"It's quite unusual. They are so agile, they are so good at moving through all kinds of different environments. They are perfect for search and rescue-type work. They can live off anything.

"They are very good at surviving in different environments which just shows how suitable they are for search and rescue work."

Dogs have been used for similar purposes but rats have an advantage due to their small size and flexibility.

"They are very trainable, the first stage is to train them to come back to base point-they respond to a beep," Donna added. "We hope it will save lives, the results are really promising."

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