You can breed two horses, two donkeys, or a horse and a donkey, which will produce a mule (mules cannot be bred).
27Semeton patut ngaturang aturan maborbor sane ngledangin pakayunan Ida Sang Hyang Widi Wasa, inggih punika banteng jagiran kekalih, biri-biri muani asiki, miwah panak biri-biri muani sane matuuh ataun pepitu, tur makasami punika tan paceda.