Auburn University: Ampututation and Prosthesis Create a Dolphin's Tale Story at Vet School Hospital for Miniature Donkey Foal

Emma, a miniature donkey foal, was just two days old when she arrived at Auburn University's John Thomas Vaughan Large Animal Teaching Hospital with a severe hind limb deformity, one that required amputation of the limb and the placement of a prosthesis.

Auburn University's College of Veterinary Medicine and the Hanger Clinic, formerly Hanger Prosthetics and Orthotics, have been working together since April on this case that could have implications in the treatment and rehabilitation of horses, donkeys and other equids with congenital deformities or injuries.

Dr. Fred Caldwell, an assistant professor in the Department of Clinical Sciences and equine surgeon, performed the amputation procedure, and is working with clinician Billy Fletcher from Hanger Clinic – the same company which made the prosthetic tail for Winter, the amputee dolphin and star of the film "Dolphin Tale" – to develop a prosthesis for her limb. The two worked out a plan to both allow Emma time to heal from the surgery and transition from her cast to the prosthesis.

Emma's fitting session for the new pink prosthesis that accommodates her growth.

"Billy was excited and enthusiastic to assist," Caldwell said. "Once we proceeded with the surgery and amputated the distal limb, he provided a small footplate to incorporate into the cast to even out the length of her hind limbs so she could bear weight until we could get the surgical site healed and have her fitted with a prosthesis. It has been a group effort on behalf of many caring individuals willing to go to great lengths to save her."

Emma's case is providing a unique and beneficial teaching opportunity for everyone involved. The practice of using prostheses with large equids is relatively uncommon because of their size and weight-bearing limitations.

But because Emma is a miniature donkey, she will be fairly small as an adult, weighing approximately 350 pounds when fully grown. This gave Caldwell and Fletcher hope for a positive prognosis and success in Emma's treatment.

Emma is now 11 weeks old and has been thriving with her prosthesis, making an impression on everyone who has worked with her.

An earlier version of Emma's prosthetic hind limb.

"She absolutely loved it from the get-go," Caldwell said. "It was a very impressive design and she did very well in it. She has progressed to the second iteration of her prosthesis, which doesn't incorporate as much of the limb and allows her more range of motion. She is getting stronger; she's growing and doing wonderfully."

Fletcher said that as Emma grows, she could potentially transition through eight or nine variations of the prosthesis before reaching her full size. At that point, she will be fitted with a piece that is more permanent.

The prosthesis is made of carbon fiber, Kevlar and fiberglass. These are materials that are strong and extremely light, and are the same materials used for prostheses for Paralympic athletes. The materials are also flexible and adjustable to allow for growth and progression in Emma's gait.

The first finished prosthesis weighed less than a pound; the most recent iteration, which is pink, is smaller, but weighs a little more to provide stability as she's grown taller and almost doubled her weight since surgery.

"The next step is trying to make sure we keep the prosthesis set up so she's ambulatory and she can run and play and do things uninhibited, but also, to keep the area of concern, the surgical site, offloaded so Dr. Caldwell can do his job in keeping her completely healed," Fletcher said.

Emma shows off her latest prosthesis. Notice how it cups the hock.

"As time goes by," he continued, "we'll continue to provide a prosthesis that's going to allow for growth. We want to provide her with full range of motion, but also give her the ability to use full strength. I think she's got that in her current set-up, so the big thing now is keeping everything offloaded so she heals completely; we'll continue to increase the size of the prosthesis as she grows."

Caldwell said he has learned a tremendous amount from the case and it has given him hope that in the future amputation and prosthesis could be a more feasible option for larger horse patients.

Story by Carol Nelson, Communications Editor at Auburn Univeristy

© Fran Jurga and Hoofcare Publishing; Fran Jurga's Hoof Blog is a between-issues news service for subscribers to Hoofcare and Lameness Journal. Please, no use without permission. You only need to ask. This blog may be read online at the blog page, checked via RSS feed, or received via a digest-type email (requires signup in box at top right of blog page). To subscribe to Hoofcare and Lameness (the journal), please visit the main site, www.hoofcare.com, where many educational products and media related to equine lameness and hoof science can be found. Questions or problems with this blog? Send email to blog@hoofcare.com.
 

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Friends at Work: John Deans Is a Farrier in Maine

What makes a farrier tick? And what makes a farrier tick after 30 years on the job? Maybe it's those horses who hug you back. Maybe it's a walk on the beach with your truck dog in between barn calls. Maybe it's living in a beautiful place like Maine.

Or maybe it's just being comfortable in yourself and loving what you do every day.

I think that's what we have here.

I've known John Deans probably for as long as I've been around the hoof world. We've sat through some of the best and some of the worst lectures and clinics that the farrier associations and vet clinics in New England could organize.

Watching this video made me realize just how long that's been, and how we all get a little sentimental about our jobs when we settle in and realize we've been doing it for a very long time--because it's what we want to do and because we live where we want to live.

I have a feeling that many people could fit the template of this video, but with different landscapes behind them and different truck dogs. It's a fitting template for someone who fits right in in their environment, and is as comfortable with themselves as they are with the animals who share their days.

Technical note: If you're looking closely at what John's doing in this video, you might be confused if you're not from a snowy part of North America. He's applying what we call "snow shoes". They are standard-issue around here. It's hard to see the shoe, but the pad has a big bubble in the center that pops the snow out so that no snowballs form in the foot. The shoe might have borium (hardsurfacing) on it or tiny studs, both for traction, or John might have driven in a couple of tungsten-tipped nails that add traction.

Thanks to Emma Deans (left) for making this video. Emma is John's daughter; she recently graduated from the University of Maine at Farmington and is pursuing what will surely be an exciting career in multimedia journalism. 
You can learn more about Emma and her adventures at http://emmadeans.com/. Something tells me we'll be hearing more from her!

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© Fran Jurga and Hoofcare Publishing; Fran Jurga's Hoof Blog is a between-issues news service for subscribers to Hoofcare and Lameness Journal. Please, no use without permission. You only need to ask. This blog may be read online at the blog page, checked via RSS feed, or received via a digest-type email (requires signup in box at top right of blog page). To subscribe to Hoofcare and Lameness (the journal), please visit the main site, www.hoofcare.com, where many educational products and media related to equine lameness and hoof science can be found. Questions or problems with this blog? Send email to blog@hoofcare.com.  

Follow Hoofcare + Lameness on Twitter: @HoofcareJournal

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Disclosure of Material Connection: I have not received any direct compensation for writing this post. I have no material connection to the brands, products, or services that I have mentioned, other than Hoofcare Publishing. I am disclosing this in accordance with the Federal Trade Commission’s 16 CFR, Part 255: Guides Concerning the Use of Endorsements and Testimonials in Advertising.

Friends at Work: Will Hellyer Shoes a Real Shire for Virtual Farmers

Shoeing a Shire horse isn't easy. Neither is describing the process in a little more than a minute but The Farm's "Head Girl" Emma Warner did it.

Yesterday The Hoof Blog commiserated with a researcher who had to explain insulin resistance and its role in equine laminitis in less than three minutes.  Who knew an academic could avoid all the big words and cut to the chase?

Today I was thinking that it's equally hard to explain what a farrier is doing as s/he shoes a horse. And I found someone who did it in a minute and a half. "Head Girl" (that's British for horse manager) Emma Warner had some very good video editing behind her voiceover to make it possible. And in doing it, she manages to avoid many of the cliches and misused terms that many journalists and broadcasters inevitably--and understandably--garble.

Virtual farmers make the decision at a web-managed farm

Farrier Will Hellyer is hard at work on one of the Shire horses at the National Trust’s "MyFarm" project at the 2500-acre Wimpole Estate in Cambridgeshire, England, where over 250,000 visitors a year get up close and personal with farm animals, including many from rare species, on a "real" working farm. They also have the option of joining the farm and can become virtual decision-makers on how the farm is run. It's a very interesting way to use the Internet, and would be a great model for a show or racehorse stable, too.

I became aware of the farm in July when they set up a web cam in the stall of a Shire mare who was about to foal. I thought it would be exciting for people to follow the birth and encouraged people via Twitter to tune in.

The Shire is one of two native heavy horse breeds in England; the Suffolk is the other. Shires are traditionally shod with toe clips. Photo by Lars Lundqvist.

It turned out to be something quite different than what any of us imagined. The foal never took a breath after it emerged from the womb and the experience of watching the process turned out not to be the idyllic, joyful one people expected, but rather the hard, cold realism of life (and death) on a real farm, after all.

The farm said that 800 people were watching at the time.

Watching how the farm handled the publicity over the foal's death was interesting, as the public expressed a wide variety of opinions and reactions, thanks to the open book of social media. The farm seemed to post any and all comments, and take the critical ones in stride.

 TO LEARN MORE

© Fran Jurga and Hoofcare Publishing; Fran Jurga's Hoof Blog is a between-issues news service for subscribers to Hoofcare and Lameness Journal. Please, no use without permission. You only need to ask. This blog may be read online at the blog page, checked via RSS feed, or received via a digest-type email (requires signup in box at top right of blog page). To subscribe to Hoofcare and Lameness (the journal), please visit the main site, www.hoofcare.com, where many educational products and media related to equine lameness and hoof science can be found. Questions or problems with this blog? Send email to blog@hoofcare.com.  

Follow Hoofcare + Lameness on Twitter: @HoofcareJournal

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Disclosure of Material Connection: I have not received any direct compensation for writing this post. I have no material connection to the brands, products, or services that I have mentioned, other than Hoofcare Publishing. I am disclosing this in accordance with the Federal Trade Commission’s 16 CFR, Part 255: Guides Concerning the Use of Endorsements and Testimonials in Advertising.