Controversial New Milk Shakes Up Big Dairy

Although the science behind A2 milk is disputed, changing consumer preferences are creating opportunities that dairy giants can’t ignore.

By Mike Cherney

An employee prepares cows for milking at a dairy farm that supplies milk to Fonterra in Hawera, New Zealand. Fonterra, the world’s biggest dairy exporter, said in February it would start producing A2 milk. PHOTO: BRENDON O'HAGAN/BLOOMBERG NEWS