BloodHorse Weatherbys Global Stallions App This free app provides the most comprehensive mobile information on Thoroughbred stallions throughout the world. Developed by the industry’s two leading sources for Stallion Registers/Books, BloodHorse and Weatherbys, the Global Stallions app provides daily international updates for the progeny of flat racing’s notable stallions. Set your preferences – dollars, pounds or euros – furlongs, yards or meters – and get immediate access to stallion progen