New Zealand sheep have become a prime target for rustlers over the British summer.
More than $58,000 of sheep were stolen from farms in Devon, including 98 rare New Zealand highlander sheep worth $29,000 from one farmer, a BBC news report said.
Local police believe the stolen sheep were sold on the black market, and are working with farmers to minimise and manage the problem.
New Zealand Sheepbreeders Association president Ian Stevenson said "good marketing" by those who bred highlander sheep had created a "perception of premium worth".
The highlander, which is not a registered breed here, is a cross between several breeds and is being marketed to have "more kilograms weaned, high survival and consistent wool".