Police continue to search for Kevin Belling, who went missing from his Motu Rimu farm in Kapuka on 9 January.
Detective Sergeant John Kean said extensive searches have been carried out on the property with assistance from Land Search and Rescue, but Belling has not been located.
Police have also completed a range of follow-up inquiries, including checks of bank and phone records, which have not provided any leads on his whereabouts.
Concerns for Belling are increasing as time passes, both for police and his family, Kean said.
Police are continuing to appeal to the public for information and are urging anyone who may have seen Belling, or who has details that could assist, to come forward.

Southland Police continue search for missing man Kevin Belling. Photo / NZ Police
Police are also asking members of the rural community to check their properties and surrounding areas for any sign of him.
Anyone with information is asked to contact police online at 105 or call 105, quoting reference 260118/6964.
Information can also be provided anonymously via Crime Stoppers on 0800 555 111.
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