Orange sheep
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Orange sheep: Farmer dyes sheep to stop theft

14 April 2011 Last updated at 09:33 BST

Big increases in lamb prices have led to a 500% jump in reported thefts of livestock, according to the agriculture insurance specialists NFU mutual.

One Dartmoor farmer has had enough and has come up with a unique and eye-catching solution to stop his sheep from being stolen.

The BBC's Louise Hubball went to find out more.