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
Cleopatra Didius, managed to burn Cleopatra's fleet in revenge for his losses in a war with Herod that Cleopatra had largely initiated. Cleopatra had no other option but to stay in Egypt and negotiate with Octavian. Although most likely later pro-Octavian propaganda, it was reported that at this time Cleopatra started testing the strengths of various poisons on prisoners and even her own servants. Cleopatra had Caesarion enter into the ranks of the "ephebi", which, along with reliefs on a stele from Koptos dated 21 September 31 BC, demonstrated that Cleopatra was now grooming her son to become the sole ruler