In recent years, the level of A2 beta-casein in New Zealand milk has been increasing rapidly and the level of A1 beta-casein has been correspondingly decreasing.

Synlait is in big trouble with losses mounting up and no easy answers, says Keith Woodford. For much of the past 20 years, Synlait was an entrepreneurial player in the New Zealand dairy industry, with a strong focus on growth. For a long time, it seemed to be doing everything right.