Since a long time ago, milk has been known as a healthful beverage for the body. Although healthy, but some people have a mismatch against cow's milk. Lately, new types of cows are believed to produce milk that is healthier than other types of cows. This cow is called A2 cow. So, what distinguishes milk from A2 cows with milk from other ordinary cows? Similar to milk in general, A2 milk is a type of milk produced from dairy cows. It's just that distinguishes it from ordinary cow's milk is the main protein content of beta-casein A1 and A2. Generally, ordinary cow's milk contains these two main types of protein. Meanwhile, milk from A2 cows only contains beta-casein A2 alone. To get milk from A2 quality cows, a series of beef selection is needed using DNA testing. It is intended that the milked cows can produce pure A2 protein. Types of Cow Milk Protein In general, cow's milk contains about 80 percent of casein protein from all of the available protein. One type