The study was led by Aurélie Manin from University of Oxford, and was published in the journal Proceedings of the Royal Society B: Biological Sciences.

Dr Manin said: "This study reinforces the important role of early agrarian societies in the spread of dogs worldwide. "In the Americas, we show that their spread was slow enough to allow the dogs ...

Dr Manin said: "This study reinforces the important role of early agrarian societies in the spread of dogs worldwide. "In the Americas, we show that their spread was slow enough to allow the dogs to ...