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The relationship between sheepdog and master revealed

27 August 2014 Last updated at 02:06 BST

Researchers have used GPS data to help unravel the mystery of how sheepdogs do their job so well.

The research could be used to help develop "shepherd robots" to help in crowd control or cleaning up an oil spill.

Claire Marshall met Meiron Owen, a sheepdog owner, and found out how their special relationship worked.

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