Catlins dairy farmers Tim and Katy Button are leaving their farm to make way for sharemilkers. The couple talk to Shawn McAvinue about progression from dairy assistants to farm and stud owners over the past 30 years in the South. After nearly 30 years dairy farming in the South, Tim and Katy Button are calling time on milking cows to transition to an easier life. The couple will auction about 140 of their Anglo stud herd, a mix of cows, in-calf heifers and calves, mostly Holstein Friesian, either black and white or red, on Wednesday and Thursday. The rest of the stud herd to be offered are Ayrshires and Brown Swiss breeds. Mr Button said the sale would be emotional, as the cows had helped them achieve farm ownership in Port Molyneux, near Kaka Point in the Catlins. Mrs Button agreed. "It will be hard but it will be harder putting them on the truck." The Buttons would move off-farm to live near their 200ha property, making way for 50/50 sharemilking partners Matt and Ella King to start in June.…