Roaring in horses is not just a loud, rasping noise made during exercise; it is a disorder of the upper airway that restricts airflow and can limit performance in large breeds such as Thoroughbreds, Standardbreds and warmbloods.

Ontario Veterinary College Associate Professor of Large Animal Surgery, Taralyn McCarrel, is seeking to develop a surgical procedure that could revolutionise treatment following tie-back surgery, offering new hope for affected horses.

Artificial intelligence is steadily finding its place within the horse racing world, with its ability to process vast datasets and identify patterns invisible to the human eye. Could these same technologies extend into one of the sport's most nuanced and debated areas: handicap ratings?