A method of using an airway treatment system for treating a dorsal displacement disorder in a horse includes generating a treatment signal configured to treat the dorsal displacement disorder, using a pacemaker processor, in order to continuously stimulate one or more muscles involved in displacing a laryngeal anatomical structure relative to an airway of the horse, and using one or more stimulation electrodes, configured to interface with tissue of the horse, to deliver the treatment signal to the tissue of the horse a period of hours every day to maintain an unobstructed airway.