tribes. Kumis is a dairy product similar to kefir, but is produced from a liquid starter culture, in contrast to the solid kefir "grains". Because mare's milk contains more sugars than the cow's or goat's milk fermented into kefir, kumis has a higher, though still mild, alcohol content. Even in the areas of the world where kumis is popular today, mare's milk remains a very limited commodity. Industrial-scale production of kumis therefore generally uses cow's milk, which is richer in fat and pr… (More on Kumis)