Q: What is the Horse Grimace Scale? A: The Horse Grimace Scale is a pain assessment tool that identifies six facial expressions of a horse and scores them on a scale of 0 (not present), 1 (moderately present) and 2 (obviously present). The actions are: Stiffly backwards ears – the horse’s ears are held stiffly and turned…
The ears are the source of relatively few problems in the horse [dropcap]T[/dropcap]he equine outer ear includes the pinna (the flap of the ear) and the external auditory canal (the cuplike ear canal). The pinna collects soundwaves and channels them from the external auditory canal to the middle ear, where they meet the tympanic membrane (the…

