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Dikler Farm
Fosseway
Lower Slaughter
GL54 2EY

Laryngeal Paralysis

Horses are asymmetrical, this is most significant when it comes to the anatomy of their larynx. The Recurrent Laryngeal Nerve which carries signals from the brain to the muscles of the larynx follows a dramatically looped route from the head to behind the heart and back to the larynx on the left side, the route of the righthand nerve is more direct. Hence we find the majority of larynx problems to be of the left hand side.
Mild paralysis limited to the vocal cords results in a very typical whistle on the inspiratory phase of the breath.

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