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,
Donkey Punch (pornographic film) Donkey Punch (pornographic film) Donkey Punch is a 2005 American pornographic film directed by Grip Johnson and starring Deja Dare, Rachel Luv, Alex Divine, and Haley Scott. "Donkey Punch" is divided into four scenes that are each roughly thirty minutes in length and which consist of vaginal and anal intercourse, as well as acts such as irrumatio, cunnilingus, anilingus, and penetration with fingers and toes. Throughout each sequence, the male performers slap, punch, gag, kick, stomp, strangle, yell at, pull the hair of, and spit on their female co-stars. The segments conclude with the actor ejaculating into the actress's anus