In a quiet corner of Black Beauty Ranch, on a stone plinth beneath a maple tree, there’s an oval etching of a man and a burro. The man is Cleveland Amory, author and founder of the Fund for Animals, and the burro is Friendly, one of the first animals to call the sanctuary home. The two met in 1980...

Soring involves the intentional infliction of pain to a horse's legs or hooves in order to force the horse to perform an artificial, exaggerated gait. Caustic chemicals—blistering agents like mustard oil, diesel fuel and kerosene—are applied to the horse's limbs, causing extreme pain and suffering...