Douglas County Fox Trotting Horse Breed Assoc. Share: Clubs & Civic OrganizationsEquine Douglas County Fox Trotting Horse Breed Assoc. Visit Website PO Box 1111 Ava, MO 65608 (417) 683-2420 About About All day trail rides from March -November. We are an affiliate chapter of the Missouri Fox Trotting Horse Breed Association located in South Central Missouri. DCFTHBA was organized to provide opportuni Call The Office (417) 683-4594 Office Location 810 Collins Avenue Ava, MO 65608 Email Us director@avachamber.org