The level of A2 protein in New Zealand milk has been increasing rapidly
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. Unpublished data from New Zealand’s leading herd-improvement cooperative, LIC, which was supplied to me on request, indicate that once the 2023-born dairy calves join the milking herd in 2025, […]