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 is transferred to the care of Mr Staples. Jemmy's new home is an old shed he shares with Balaam and another donkey named Juba. Jemmy and Balaam reminisce and Jemmy tells Balaam of his travels since he left Mr Howel's farm. Later, Jemmy is sent out to work where he and other donkeys give rides to children on a hill side. His first passenger is a young lady named Lady Harriet; they ride to Lady Harriet's home where her mother and father see how fond she is of Jemmy and decide to buy him. Jemmy is thrilled by the news