Police have named the 48-year-old man found dead at his farm in Kinloch on Thursday.
He was Scott John Henry.
His body was discovered by family members at his farm on Whangamata Rd on Thursday night and police launched a homicide investigation.
His 38-year-old partner was found safe and uninjured at a property nearby.
In an update on Saturday, police said a post-mortem examination had confirmed the cause of death was a gunshot wound.
The scene examination is ongoing.