Protein is an essential nutritional supplement of food that contain may elements of Amino acid CHAPTER ONE1.1 INTRODUCTION Milk is one of the most nutritious foods. It is rich in high quality protein providing all tenessential amino acids. It contributes to total daily energy intake, as well as essential fatty acids,immunoglobulins, and other micronutrients. Cow’s milk is the predominant type in severalcountries, although goat, buffalo, sheep...