Dorsal Displacement of the Soft Palate Examination

Dorsal displacement of the soft palate (DDSP) is a performance-limiting condition of the upper respiratory tract and is a relatively common cause of upper respiratory noise during exercise. During DDSP, the caudal free margin of the soft palate moves dorsal to the epiglottis, creating a functional obstruction within the airway. The cross-sectional area of the pharynx is reduced, and airflow resistance and turbulence are increased. (source MSD MANUAL
Veterinary Manual)

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Did this video not come with the sound? This would have been more practical if we could hear the horse's breathing.
The music doesn't belong here.