Hinny is easier to obtain when the lower chromosome count, the donkey, is in the male. Therefore breeding for hinnies is more hit-and-miss than breeding for mules." The male hinny or mule can and will mate, but the emission is not fertile. Male hinnies and mules are usually castrated to help control their behavior by eliminating their interest in females. Female hinnies and mules are not customarily spayed, and may or may not go through estrus. Female mules have been known, on rare occasions, to produce offspring when mated to a horse or donkey, although this is extremely uncommon. Since 1527,
The Adventures of a Donkey second eldest daughter Charlotte Turner - Mr Turner's youngest daughter Mrs Arnot - Family friend of the Turner family; Jemmy's ninth owner Mrs Corsan - Mrs Arnot's neighbour Mr Carter - Jemmy's tenth owner Jack Carter - Mr Carter's son Mrs Dawes - Laundress; Jemmy's eleventh owner Bobby - donkey; Jemmy' friend whilst at Mrs Dawes' Mr Ford - Jemmy's temporary owner Charlotte Herbert - George Manton's cousin Charles Herbert - Charlotte Herbert's son; Jemmy's thirteenth owner Mr Crosby - George Manton's neighbour "The Adventures of a Donkey", much like Argus' other works, did not receive scholarly attention and only