Donkey milk even exist). In addition, the flavour and appearance of donkey milk have been found to be attractive to children. Equid (donkey and horse) milk can be considered a suitable substrate for probiotic beverage production. The use of fermented equid milk is an ancient tradition in central Asia, like koumiss or airag, a fermented mares milk very popular in Asia and Russia; but there are also traditional variants made from donkey milk. In Mongolia, where koumiss is the national drink, people have a saying that ‘kumys cures 40 diseases’. It is said that Cleopatra, Queen of Ancient Egypt, took baths in
Milk non-animal products which resemble dairy milk in color and texture, such as almond milk, coconut milk, rice milk, and soy milk. In English, the word "milk" has been used to refer to "milk-like plant juices" since 1200 AD. In the USA, (mostly plant-based) milk alternatives now command 13 percent of the "milk" market, leading the US dairy industry to attempt, multiple times, to sue producers of dairy milk alternatives, to have the name "milk" limited to animal milk, so far without success. The mammary gland is thought to have derived from apocrine skin glands. It has been suggested that the