Police would like to hear from anybody who was in, or passing through, the Waimumu area south-west of Gore, between Sunday 21 and Sunday 28 April 2019 following the theft of hundreds of sheep last month.
Police are investigating the loss of 320 sheep from a Waimumu address, valued at an estimated $65,000.
Eight rams were also taken, which had very distinctive orange spray paint marks on their backs.
Anyone who may have seen something suspicious in the area, or who has information that might assist can contact Constable Wayne McClelland at Mataura Police on 03 203 8164, quoting file number 190501/0566.
Information can also be passed on anonymously via Crimestoppers on 0800 555 111.