Pony with Rotated Coffin Bone - Please help!

Since last fall, our 23+ pony has foundered and had two absesses (approximately the same time).

Absesses: Initially the vet came out, opened up her hoof in the toe area and said she was tender on the side, but that absess wasn’t ready yet. Then we had the farrier out for regular trimming. We mentioned our vet’s comments about the upcoming abcess on the side, noted that her bulb seemed soft, etc. He didn’t even test her foot. He said the abcess had probably gone to the bulb and he couldn’t touch that. This was a relatively new farrier to us, yet had come highly recommended. Needless to say, for this reason and others, we’ve switched farriers. Had our vet out again and he found the second abcess. Of course, she ended up with a huge hole in her side wall. All this with soaking, taping, etc. The abcesses are now gone.

Our pastures are on flood plain. Unfortunately, her hoofs haven’t grown out to the extent they need to be. We took xrays this week and her coffin bone is rotated. The vet said 3 months stall rest, no grass, and for her to lose 100 lbs as her hoof soles are so incredibly thin. Right now she’s average weight. She’s fed a cup of food (probably only 6 oz.) twice a day, hay at night, and grass during the day. The vet looked over a tiny paddock that she can go into, told me to scalp the grass which I have, limit her hay to 12-15 lbs per day. We also put peat moss in her stall which I love.

Easy Boots: We bought some easy boots for her. Unfortunately, my husband was letting the horses out in an area that has some mud and he wouldn’t put the boots on her those days as she was constantly losing them. Now we’re not letting her out in her small paddock if there’s any mud and she’ll always have her easy boots on whenever she’s out.

Venice Turpentine. Vet said to apply twice a week and apply duct tape that can be removed the next day. This we can easily do.

Supplements: We have her on farrier’s formula. She also has Cushings and is on Prascend. We giving her Previcox also. Part of her feed consists of pelletized rice bran to give her Omega 3s to help her hoof grow.

My heart is breaking. This little pony would look at me whenever I walked out of the house - regardless of the door. She also came over to greet me in the pasture every time (had to cross a pasture to get to the barn). Now she looks at me and stands, so I go over to her. We’ve had her 20+ years and I don’t want her to be in pain.

I realize this is a long post. Will anyone share their stories of rotated coffin bones, ideas of things I can do, etc.? Thanks in advance for sharing and helping!

What prognosis did the vet give-- how likely is it that your pony can be sound again? What degree of rotation?
I’ve been in your shoes, and in my experience, it may mean many weeks if not months of pain for her. Every step will hurt, even just standing still will hurt. So before I made my pony go through that, I wanted a high degree of confidence from my vet that recovery is likely. With a rotated coffin my vet felt there was only a slim chance that she’d achieve long-term soundness, so I sadly euthanized. Horses don’t know that there may be a light at the end of the tunnel, all they know is that right now hurts a lot. My pony was also in her 20s, she’d had a long life and deserved a peaceful rest.

I’m sorry not to have a more upbeat experience to share, and I hope for a better outcome for you and your pony.

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What did the vet and farrier say about proper shoeing? What is the degree of rotation? There is a point past which I would not put a horse through that.

My old Arabian mare foundered in both front hooves. She had 7 degrees of rotation in one hoof; 13 in the other. She did come sound in both, but that was only with daily soaking in cold water to alleviate the swelling AND a great farrier who did everything he could, including creating a full plate for the one hoof, and backwards shoes for a while to support the back of the hoof while taking the weight and pressure off the fronts. Has the farrier been consulted? Has he seen the x-rays? If not, he needs to ASAP so he knows how to help you treat her.

I’m not sure EasyBoots are going to give her the support she needs - not sure, as I’ve never used them, but that’s a question for your farrier as well. Glue-on shoes might be a solution, if her hoof walls can’t tolerate nails.

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You might want to look up Pete Rameys protocol for addressing founder barefoot.

It involves frequent and correct trims, padded boots 24/7, weight loss, no grass, and supplements high in copper and zinc.

You also should get the pony tested to see what the underlying cause is. Does she have Cushing’s, or is she insulin resistant? Cushing’s requires pharmaceutical treatment.

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With a serious founder case like this, you should have a meeting with your vet and farrier together, where they review the xrays together and develop a consensus on how best to help her. Try to get that scheduled next week. Strangers on the internet can throw out all sorts of things you can try, but this is no substitute for an actual treatment plan developed by professionals with access to her xrays.

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OP said in the 1st post that she’s already on Prascend for Cushings

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How much does/should she weigh?

Is your hay tested low NSC, or are you soaking it? It sounds like she is IR on top of PPID, and she may not be being fed like an IR horse needs to be.

managing the IR horse is not simply about reducing calories, as calories is not the (only) reason they can get overweight and/or laminitic. The whole diet needs to be less than 10% ESC + starch,with starch < 4%. It doesn’t matter if she’s only eating 10-15lb of hay, if that hay is 20% NSC and/or starch is too high.

Magnesium is also something they usually benefit from having more of.

If the hay has way too much iron and not enough copper and zinc, you’re going to struggle - all the more reason to use tested hay

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@HungarianHippo She’s rotated 14-15 degrees on both front. He’s hoping to get some better hoof growth which will change the angles and she’ll be comfortable. In the meantime, we’ll do whatever we can. He put a 3-month period on it, so I’m preparing myself. He doesn’t want her above a walk and unfortunately, she canters and even jumped a sizeable fence with her Easy Boots on. They must make her feel so much better. Today, she’s out in a tiny paddock and she’s calm as the other 2 horses are close. I don’t want her to suffer either. Thank you for sharing. That’s a great idea getting both vet and farrier to meet.

@Alex and Bodie’s Mom The horses are due for a trimming again and we need to call the new farrier. We’ll probably do that today. The vet sent me the xrays which I can share with the farrier and the farrier and vet know each other.

@Scribbler You always have great advice! Her easy boots have about a 2" gel pad at the bottom and is formed to fit her sole. She now has them on 24/7 unless she’s in her stall and we have peat moss there. She has Cushings and takes 2 Prascend daily. We just had her re-tested about 6 months ago. Just guessing she’s about 800 lbs (large Connemara pony). The vet always checks and this time said her neck was skinny, her ribs were good and she still had fat around her dock. So she passed 2 out of 3. I tell myself she can lose the weight even though she’s not heavy now. I’ll look up Pete Ramsey’s protocol.

@JB Where do I get the hay tested? We have Quiessence already and can start feeding her.

Everyone,
Thanks so much!

Yikes, 14/15* is pretty major :frowning:

www.equi-analytical.com is a good place for testing, with the 604 Equine Complete being the best package, but at least the 603 Trainer.

“ribs are good” but still fat around her dock is likely a sign of IR issues - calories are ok, but still having active metabolic problems.

at 800lb as a good weight, she needs at least 12lb of hay. 10 is just too little. 15 can still be great depending on its content.

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