North Salem, NY – May 18, 2013 – It was derby day at the Old Salem Farm Spring Horse Show with two featured events in the schedule. Adrienne Iverson and Redfield Farm’s Salto Mortale captured the top prize in the $10,000 USHJA International Hunter Derby presented by Houlihan Lawrence Real Estate, while Beezie Madden and Mademoiselle sped to the win in the $20,000 Speed Derby of North Salem. On hand at the show today as well was Robert Astorino, the County Executive for Westchester County.