Head shaking, unhappy in snaffle?

littlemare_

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Looking to see if anyone has any similar experiences or thoughts.

A few weeks ago my horse started head shaking when ridden, both vertically tossing and the ‘electric shock’ type flick typical of head shakers.

A week before this he fell over onto his face. It wasn’t dramatic and he got himself up quickly. I gave him a week off but seemed happy and sound. This could be unrelated but seems coincidental.

I had the vet out who’s gave him a general exam including looking at teeth (annual check also was only recently, which was by an equine dentist under sedation). We then x-rayed the head and neck which showed nothing of concern.

Vet perscribed a 2 week Bute trial as he thinks he may have hit the trimegial nerve when he fell, inflaming it. I am over a week in and he has showed some improvement but not 100%.

What is confusing is he is now very happy in a rubber Pelham, schooling beautifully with virtually no shakes. I usually only use this for faster hacks and jumping.
I usually school in a straight flexi eggbut and have done for years, but he is shaking a fair bit more with this bit. It is worse in canter and, possibly, intermittently triggered when I ask for left bend. I have throughly checked the bit and there is no damage. I use the same bridle and adjust accordingly. I feel he is also generally less willing to accept contact on this bit currently and attempting to run through it when I use my rein aid.
I do not think he is masking his pain in the Pelham simply because it’s a stronger bit. He is very sensitive and always lets you know if unhappy.

I feel there must be some reason for this but I have no idea what. Looking for things to think about or try before I catch up with my vet next week! First step is to borrow a different snaffle on the off chance something is wrong with mine.

Vet had said depending on outcome of bute trial we could try electro-acupuncture or do a CT scan… hoping it won’t come to that.

Thanks for any musings and merry Christmas!
 
Definitely worth seeing what the vet thinks, but if you can try the Pelham with the curb chain removed and ridden solely from the snaffle ring (do not use the curb rein with no curb chain attached) then that should tell you if it's the mouthpiece/stability or the action of the curb that is improving matters.
 
Definitely worth seeing what the vet thinks, but if you can try the Pelham with the curb chain removed and ridden solely from the snaffle ring (do not use the curb rein with no curb chain attached) then that should tell you if it's the mouthpiece/stability or the action of the curb that is improving matters.

That’s a great idea, I will try this.

Thank you.
 
Could it be the different mouthpiece material rather than the bit design?
I had one who very suddenly took up headshaking when he was about 12. He only ever did it when working (saddle or lunge) faster than walk. Never saw him do it when loose in the field. It was controlled completely by a nose net and, I discovered by accident, by a fly mask. Sun and wind made it worse and worst of all was things hitting his face - hail, blossom petals. So it was definitely affected by the sensory experience - perhaps yours is partly the feeling in his mouth?
 
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