Understanding key drivers of the Thoroughbred foal supply is fundamental to long run industry sustainability. A short supply of foals poses significant future challenges for racing executives offering a full season of healthy racecards. In many regions the foal supply has steadily declined and/or plateaued.
Vickner, Steven S. Ph.D., "Modeling the Dynamics of the Supply of Registered Thoroughbred Foals and Animal Health" (2019). Faculty Scholarship. 402.