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Post by kym2 on Mar 4, 2003 17:50:00 GMT -5
I don't think I've ever heard a horse roar but my horse Honour snorts at the canter, every stride. I always thought it was just a feel good noise but now I wonder if he may have some sort of airway blockage or someother breathing disorder.
He never gets winded or tired he has a lot of stamina and he doesn't cough or has ever been heevey.
Whats the diffence between a snort and a roar?
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Post by Shannon on Mar 4, 2003 20:12:37 GMT -5
they have to be going pretty hard to do it. Where's Michelle? She had a roarer. He's probably just enjoying himself and feeling good.
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Post by Big Tee© on Mar 4, 2003 20:25:42 GMT -5
Roaring sounds like a deep snore, and you can hear the change in pitch between inhale and exhale; the horse sounds like he is labouring for breath, and he is. What you are describing is the sound made by a horse with collapsing nostrils: this can have two forms, the wall of the nostril collapses in on itself, or the false nostril collapses. It was horses with this problem that Breathe E Z (http://www.protectohorse.com/ez.html) was made for, or for those that are feeling wealthy, Flair Strips.
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Post by Smay on Mar 4, 2003 22:39:40 GMT -5
...and although I seldom get him working hard enough to make him roar, he will sound like he's breathing really "loud" after working at a fast pace for a while,....and it's just like the sound of a person who's out of shape or overweight trying to run a 10K!!! It's not like that snort-per-stride thing, which I've heard many horses do in the show ring....roaring is a sound that seems to be coming from their throat - not nostrils - and sounds like they are having airway constriction. Winny supposedly had soft palate surgery to help his roar on the track, but I rarely hear him do it.... so it doesn't concern me too much! I'e heard that large horses get it more often than small. And that would make sense at least for Winny! Mr. El-Huge-O. hahaha
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Post by CatB on Mar 5, 2003 9:21:42 GMT -5
I had a QH mare that roared - to me it sounded like really heavy, almost raspy breathing. Usually occuring at the lope or when she was excited (which was most of the time with her!) I did notice that it seemed worse when she was carrying extra weight - she was an easy keeper, unlike the two I have now!
Here's a nutshell explanation:
The term "roarer" may be used to describe a horse that has left recurrent laryngeal hemiplegia. Horses with left recurrent laryngeal hemiplegia often make loud breathing noises (described as "roaring" or "whistling") when they are exercising strenuously. In horses with left recurrent laryngeal hemiplegia, the left recurrent laryngeal nerve dies back and is no longer able to stimulate the muscle that enlarges the opening of the larynx (throat) during intense exercise to allow more air to be taken into the lungs. This muscle (the dorsal cricoarytenoid muscle) enlarges the diameter of the airways during exercise by pulling the arytenoid cartilage and vocal cord away from the midline of the larynx. Without stimulation from the left recurrent laryngeal nerve, the dorsal cricoarytenoid muscle becomes paralyzed. As a result, the arytenoid cartilage and vocal cord on the left side of the larynx collapse and are sucked into the airway during exercise. Air flowing over this obstruction is most likely responsible for the loud breathing noises called "roaring" in horses with left recurrent laryngeal hemiplegia.
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