It also marked the end of government intervention against the mule breeding industry, although bonuses were paid to encourage farmers to breed purebred horses.

A few female mules have produced offspring when mated with a purebred horse or donkey.

Associate status is available to studbooks that produce purebred horses, or which do not meet the requirements for membership but wish to participate.

However, a zebroid is usually more inclined to be temperamental than a purebred horse and can be difficult to handle.

The horses are of mixed breed; no purebred horses are allowed.

The party then rides off into the sunset on four of the prince's purebred white horses which Fezzik had conveniently discovered.

It is critically endangered, with less than 50 purebred horses remaining.

By 2003, a survey found that 67% of purebred Arabian horses in America are owned for recreational riding purposes.

"I have had all this since I was born," the restaurateur said about his herd of 1,200 purebred horses, worth an estimated $25 million.

Like purebred horses, most alpacas have pedigrees that can increase the animals' value for breeders.