Do you know What is Horse milk and Yak Butter. If you are looking for the definition of Horse milk and Yak Butter or want to know what is Horse milk and Yak Butter?, then this is where you will fetch your answers. Well, in simple terms Horse Milk rather Mare Milk is the milk obtained from the female Horse While Yak butter is the butter made from the milk of domesticated yak Both these products are unique in their own ways. Horse milk is a Not Available colored dairy product and Yak Butter is Yellow colored. The food gets it color dependent on the ingredients used and the preparation methods employed. Sometimes artificial food colors are added to give the dairy product, a gourmet look. Apart from their color what distinguishes them is their flavor and aroma. Horse milk bears Not Available flavor with a Not Available aroma whereas Yak Butter has Buttery and Salty flavor and a Not Available aroma. The color, flavor and the aroma of these products depict their origin. Horse milk originated in Central asian countries like kazakhstan, kyrgyzstan, tajikistan, Europe, whereas origin of Yak Butter is traced back to Nepal.