Two shakes of a dog's tail: Gyro locomotion of animal skin

What if scientists took the same tools they use to analyze how horses walk, trot, canter and gallop and turned it to how they use their bodies?

Forget the legs and hooves (or paws).

Most mammals have a quantity of loose skin that they can move. That looseness gives the skin a locomotion all its own and now scientists are measuring it and trying to understand how and why animals are able to shake as much as 70 percent of liquid off their bodies.

It's not a linear locomotion; it's a gyro, or rotational movement around the animal's axial skeleton.

It's a good thing they can do it. If they couldn't, chances are the water would freeze, and they might get hypothermia, according to David Hu, PhD at Georgia Tech University. Or maybe the weight of the water would slow them down in their hunting--or fleeing from being hunted.

It's a shame the study doesn't include an analysis of horses shaking. I think they do more of a whole-body shudder than a rotational loose-skin shake like a dog or other mammals. Maybe it has something to do with the way they can involuntarily twitch their skin to get rid of a fly. Their shake is powerful but unique, I think.

And horses shake off dust as well as water. Shaking is all part of rolling.

This weekend, media like CNN aired segments with commentator Jeannie Moos plugging humor into the research, including an interview with Dr. Hu at Georgia Tech via Skype, who was previously featured on ABC's Good Morning America:

Read the abstract of Dr. Hu's paper. Visit the web site for Dr. Hu's lab at Georgia Tech. Before he became fascinated with shaking dogs, he researched how mosquitoes fly in the rain.

Click to go to easy ordering page; this poster can soon be hanging on your wall!

© 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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Video: Virginia Tech Vet School Farrier Volunteered at World Equestrian Games

It wasn't long ago that this blog was announcing that Travis Burns had been chosen as the first resident farrier to work at the Virginia-Maryland Regional College of Veterinary Medicine at Virginia Polytechnic Institute and State University (Virginia Tech).

It only took about six months for Travis to be settled in enough at the job to answer the call of the Alltech FEI World Equestrian Games. He signed on with the American Farrier's Association (AFA) to volunteer his services during the eventing portion of the Games.

All of the 70 or so volunteer farriers did a great job, but I think that Travis is probably the only one with a public relations department waiting to work on his behalf. So let's say that this video is a blanket salute to all the men and women who pitched in to help.

I'm sure Travis would agree.

Working at the eventing part of the Games was a natural for Travis. Before moving to Blacksburg for his position at the vet school, Travis worked at Forging Ahead in Round Hill, Virginia, outside Middleburg and, after college and farrier school, went through the group practice's formal farrier career-track internship program . Forging Ahead specializes in sport horses and lameness therapy, and the client list reads like a who's who of the sport of eventing.

All the farriers--young and old--who staffed the events at the World Equestrian Games were a great group who traveled to Lexington from all over the United States. It was a once-in-a-lifetime opportunity and I'm sure none of them knew exactly what to expect. It could have been pouring rain or a tornado might have passed through, but the weather was friendly and their service was, too. They took a chance, gave up their earnings at home for a few days, and traveled at their own expense, but I doubt any of them regrets the time spent volunteering or being part of that event. There will probably never be a "next time".

© 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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Virginia Tech Hires Full-Time Farrier for Veterinary College Post

20 January 2010 | Fran Jurga's Hoof Blog at Hoofcare.com

Travis Burns will leave his employment with the multi-farrier practice Forging Ahead in Round Hill, Virginia to become the full-time farrier at the veterinary college at Virginia Tech. He's shown here with one of his favorite horses, a big-footed barefoot fellow named Gumpy. (Hoofcare & Lameness photo)

This announcement was received this week from the
Virginia-Maryland Regional College of Veterinary Medicine at Virginia Tech University in Blacksburg, Virginia; thanks to Drs. R. Scott Pleasant (far left) and David Hodgson (near left) for their assistance. (University announcement text in red)

We are very pleased to announce that Travis Burns, of Marshall, Virginia, has joined the Virginia-Maryland Regional College of Veterinary Medicine at Virginia Tech as a full-time farrier.

Burns’ arrival in February will allow the College to provide complete equine podiatry services through the Veterinary Teaching Hospital. In his position, Travis will assist the equine faculty in building on the service, education, and community engagement strengths of the College. We believe that Travis’s special skills, knowledge, and experience will be a great resource for our students and regional horse owners, farriers, and veterinarians.

Proper management and care of a horse’s hooves is essential to the overall health of the animal, according to Dr. David Hodgson, head of the Department of Large Animal Clinical Sciences. “Properly trimmed and balanced hooves and correctly fitting shoes are essential to preventing lameness and other maladies in horses,” said Hodgson. “The addition of Travis to our department and hospital further enhances the overall preventive healthcare package we are able to offer our patients, clients and referring veterinarians. We are very pleased to welcome him and plan for him to enhance our ties to the local community of farriers. Travis will be working closely with Dr. Scott Pleasant and other members of our veterinary team. Dr. Pleasant is one of the leading veterinary exponents for the advancement of hoof care in horses. ”

Travis’s interest in horseshoeing began at an early age while working with horses at his uncle’s riding stable in North Carolina. He attended farrier school in the winter of 2002 and then continued to shoe horses while attending college. He graduated from North Carolina State University in 2006 with a Bachelor’s degree in Animal Science. In 2007, Travis was accepted into a one-year internship program at Forging Ahead, an elite multi-farrier practice in Northern Virginia. Upon completion of the internship program, based on his outstanding ability, Travis was retained at Forging Ahead as an associate farrier.

Travis recently achieved Certified Journeyman Farrier certification by the American Farrier's Association, the highest level of certification granted by the organization.

(end of Virginia Tech document)

Hoofcare and Lameness would like to congratulate both Travis Burns and Virginia Tech for the new directions each of them is taking (and taking together). While Travis is heading into a new area, there is no doubt he gives a lot of credit to the formal internship program that he completed at Forging Ahead; he was later hired on as an associate farrier there. The fact that he would be an AFA Journeyman and be considered for this position at the vet school so early in his career is testimony to the program that Paul Goodness has designed at Forging Ahead for farriers who want to seriously accelerate their careers working on top sport horses or specializing in lameness. While not everyone can be an intern at Forging Ahead, the program can be emulated by others, and hopefully more internships for working professional farriers will be offered in the future.

How does Paul Goodness feel about losing his protege? "I think it's so great," he said in a phone interview this morning, "that Virginia Tech would choose a young, talented farrier like Travis. He'll go far in this industry. They are starting with a clean slate, by hiring someone who wants to help horses and make a positive difference on many fronts. This is a step forward for the farrier-vet world. I will be able to stay in touch with Travis and send him cases from Leesburg. (Note: Marion duPont Scott Equine Medical Center in Leesburg, Virginia, which is affiliated with Virginia Tech and where Paul is the farrier).

"It's not a crisis here at Forging Ahead. It's true, 2009 wasn't the best year for us, and I'm sure not the best year for most farrier businesses," he continued thoughtfully. "But we've already picked up new clients this month and I don't feel like I need to be running back and forth to Florida. Scott and I have full books, all day, just here at the shop with haul-ins. We're predicting a big year and an influx of foreign riders to the area to train and compete before heading to Kentucky for WEG in the fall. The farrier business should be just fine, as should be the lameness referrals."

Here's a re-post of the NBC News segment taped at Forging Ahead about the internship program during the run-up to the Kentucky Derby last April:

, ,Please allow time for NBC's "Thank Goodness" video to load. Click the play icon to begin.

Links to more articles about Forging Ahead:
Link to Internship Program Announcement in 2007
Link to "Friends at Work" About Forging Ahead in 2009
Link to Forging Ahead web site

In 2009, Travis attended the Fifth International Equine Conference on Laminitis and Diseases of the Foot in West Palm Beach, Florida and the North East Association of Equine Practitioners Conference in Ledyard, Connecticut. He also was a guest presenter at one of our Hoofcare@Saratoga evenings last August in Saratoga Springs, New York, where he presented Forging Ahead's clever reverse Mustad glue-on shoe for laminitis therapy.

While I was working on this announcement, several people forwarded to me links to a story that was published around the country today, via Associated Press, and most notably on the ABC News and National Public Radio web sites. The article features Jason Wilson-Maki, farrier at Texas A&M University, along with a brief mention of Michael Wildenstein, farrier at Cornell.

There are many hardworking farriers at vet schools around North America, including Jason and Michael, whether full-time employees or contract service providers. I'm sorry to say that I don't know who they all are, so if you work for or with a vet school, please contact The Hoof Blog so we can keep a list.

And today we can add Travis Burns to that list of farriers...and Virginia to the list of vet schools that has one.

© Fran Jurga and Hoofcare Publishing. Please, no use without permission. You only need to ask.

Fran Jurga's Hoof Blog is a between-issues news service for subscribers to Hoofcare and Lameness Journal. 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.

Laminitis Research from the Field to the Feed Room

Research by Bridgett Byrd (M.S., PhD candidate) at Virginia Tech, was used to create this graph. It shows that pastures at certain times of year have specific times of the day when plants contain high levels of non-structural carbohydrates (NSC). This is effectively mirrored by the insulin concentrations of the horses grazing on such pastures, in a similar way to the feeding of high starch and sugar diets. While this research has been available for the past few years, many horses owners have not been informed of the cumulative effects of long-term high-sugar diets on horses, particularly on sedentary recreational horses. (Graph and caption credit Virginia Tech.)

Remember the image in that graph. We have just turned the calendars to March, so spring will soon be here and the time is here to start planning how horses will be managed on spring grass.

This year, thanks to increased educational efforts, many horse owners are seeking advice on how to avoid laminitis caused by spring grazing. Many horses suffer annual bouts of laminitis that can adversely affect the horse’s soundness for months, or may develop into serious chronic laminitis with its many problems.

Nutritional experts, however, caution that laminitis and insulin resistance are year-round problems and that a horse's entire feeding program should be scrutinized, not just the turnout on pasture.

The Waltham® Equine Studies Group, led by Dr Pat Harris MA PhD, VetMB DipECVCN MRCVS, offers this summarized explanation: “Turning certain ponies out onto lush pasture in the spring and autumn is a common triggering factor for the development of laminitis. It is currently thought that high levels of water soluble carbohydrates, (which include simple sugars as well as Fructan – the more complex storage carbohydrate) – and/or starch may be involved in this process.

"Previous research carried out in collaboration with Virginia Tech by the Waltham® Equine Studies Group in 2004 confirmed a link between insulin resistance and laminitis. This work demonstrated that a high starch and sugar diet, that causes corresponding peaks and troughs in glucose and insulin, increases the degree of insulin resistance.

Dr Harris continues: “The new revelations linking pasture directly to the potential risk of insulin resistance have important consequences for certain horses and ponies prone to laminitis and tying up, as well as obese animals that will already have a greater degree of insulin resistance. For these animals it is likely to be safer to feed alternative sources of forage at key times of year.”

Last month, Florida-based Seminole Feeds announced that it would no longer be the US distributor for Spillers brand feed products, which are developed with Waltham research principles. “Happy Hoof”, a high-fiber alternative to high-sugar hay, was one of the products sold by Seminole in the USA. Seminole has launched a new line of low-starch feeds under its “Wellness” label.

Hoofcare and Lameness does not have much information at present for horse owners "orphaned" by the dearth of Spillers products in the USA.

Maine-based Lucerne Farms, makers of the Dengie product lines of alfalfa-based chopped hay in the USA, is now offering high-fiber, low-sugar products for horses at risk for laminitis. The company also offers excellent customer support.