Horse breed been produced. Such restrictions have led to legal challenges in the United States, sometime based on state law and sometimes based on antitrust laws. Horses can crossbreed with other equine species to produce hybrids. These hybrid types are not breeds, but they resemble breeds in that crosses between certain horse breeds and other equine species produce characteristic offspring. The most common hybrid is the mule, a cross between a "jack" (male donkey) and a mare. A related hybrid, the hinny, is a cross between a stallion and a jenny (female donkey). Most other hybrids involve the zebra (see Zebroid). With
The Adventures of a Donkey Mr Carter and whilst under his care Jemmy falls and breaks his knees. After the accident Mr Carter has no further use for Jemmy and sells him to a Laundress from Kensington named Mrs Dawes. During the care of Mrs Dawes Jemmy see Jenkins break into the yard and try to steal some linen, he is apprehended and transported overseas. After this incident Jemmy meets another donkey named Bobby who knows Balaam. He tells Jemmy that Balaam is ill and Jemmy contemplates escaping to be with him. Jemmy is sent to work for Mr Ford at a fair near Hampstead,