Around 8,000 years ago all cows were A2 beta casein
A genetic mutation occurred in European cattle producing A1 beta casein milk
A fragment of the protein A1 beta casein breaks off into Beta-casomorphin-7.
Beta Casein Morphine 7
In a double-blind randomized cross-over study A1 milk has been linked to bloating and abdominal pain
Natural A2 milk: human, goat, sheep, buffalo milk from Asia, camel, pure African and Asian cattle, cattle DNA tested free of A1
When the public understands what A1 beta casein morphine 7 milk is and does they'll be a demand for the natural A2 beta casein milk.
"To breed a typical European type herd to A2 A2, by that I mean having the double copies, it can be achieved in 1 to 2 cow generations"
Keith Woodford, professor of farm management and agribusiness, Lincoln University, NZ