The entrance to the water race where the Whitestone Cheese team and Allister Calder went searching for the elusive P. roqueforti. Photos: Simon Berry : Moulding a true blue Kiwi cheese

Whitestone Cheese head cheese-maker Chris Moran takes a mould sample in a former water race cave on an Ardgowan farm, near Oamaru. : Moulding a true blue Kiwi cheese

The droplets of water on the cave walls show the conditions needed to grow P. roqueforti are present. : Moulding a true blue Kiwi cheese

Mould found in the Ardgowan farm cave. Unfortunately, the search didn’t uncover any P. rocqueforti. : Moulding a true blue Kiwi cheese

Holes are injected into the new cheese for the mould to grow in. : Moulding a true blue Kiwi cheese