| abstract |
A milk which is free of β-casein A 1 protein in the prevention or treatment of coronary heart disease is disclosed. In addition, a process for the testing of DNA from cells obtained from lactating bovines for the presence of DNA encoding certain β-casein proteins, selecting the bovines on the basis of the testing, and then milking those bovines to produce milk free of β-casein A 1 for use in the prevention or treatment of coronary heart disease is disclosed. |