The McDonalds have been perfecting the Snowline breed for 20 years through the process of population genetics.
Olivia Caldwell is a Senior Journalist at Stuff. She specializes in a diverse range of topics including agriculture, farming, arts and entertainment, and photography, often exploring the intersections of these themes. Olivia's work has been featured in notable publications such as RNZ, New Zealand Herald, and Otago Daily Times.














