FARNAM BRONCO E EQUINE FLY SPRAY by FARNAM options 32 OZ - $7.99 1 GALLON - $22.99 32 OZ 1 GALLON Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Please call the store at (434) 392-4192 to place your order. Farnam Bronco-e Equine Fly Spray kills and repels six fly species, ticks, gnats and mosquitoes on horses, ponies, and foals. The spray features a pleasant citronella scent and is ideal for use in horse barns and stables.