Les Sellnow

Les Sellnow was a prolific freelance writer based near Riverton, Wyoming. He specialized in articles on equine research, and operated a ranch where he raised horses and livestock. He authored several fiction and nonfiction books, including Understanding Equine Lameness and Understanding The Young Horse. He died in 2023.

Articles by: Les Sellnow

Scintigraphy: Get It While It’s Hot

Many times radiographs fail to show even stress fractures. Enter nuclear scintigraphy. This sophisticated technology uses radioactive material that, combined with a bone-seeking agent, is capable of locating stress fractures and other bone damage.

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Working Moms

Back in the days when horses pulled the plows and harvesting machines across agricultural America, it was not uncommon to see a team of horses trudging over a field with a young foal trailing behind one of the mares. Many farmers could not affor

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Joints Part 2: Joint Disease

When equine joint injury occurs, you can turn to sophisticated specialists who have devoted their careers to repairing the damage, just as race car drivers can turn to top mechanics. Unfortunately, the equine specialists do not have the luxury

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Translating Equine Body Language

Horses have two basic forms of communication–vocal and body language. The more sophisticated of the two by far is body language. With a mere look, a flick of the ears, or a turn of the head, horses can communicate to each other and to us, if we

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Dehydration Alert

When horses are working hard, especially in hot weather, they are particularly prone to dehydration and electrolyte imbalances.

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Form and Function of Joints

There is a definite correlation between joint angle, hoof flight pattern, and weight bearing. One might even wax a bit poetic and declare that as the joint angles, so flies and lands the hoof. That’s where the poetry ends, however, because if

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Untimely End–Early Embryonic Death

Breeding horses can be both exhilarating and devastating. Wrapped up in the process are hopes, dreams, and visions of future greatness and glory. The hopes and dreams begin with the selection of a stallion for your special mare. You assess her

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Baby Teeth

Perhaps one of the most neglected aspects of equine health, until a problem manifests itself, is the monitoring and care of a young horse’s baby teeth. After all, they are only temporary and are shed at various stages to make way for permanent

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Equine Vacations: Let’s Go Ride!

"You can have the best of both worlds," is how Karen May of the North Fork Guest Ranch described a ranch vacation for horse people. "It’s riding with all the amenities. You can ride and enjoy seeing different country on

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Equine Insurance

Can you protect yourself against potential calamities by purchasing insurance? The answer to that question is easy. Yes. You can insure your horse for a wide variety of eventualities–all the way from being struck by lightning or hit by a car

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Semen Evaluation

Breeding horses today often involves the use of artificial insemination (AI) with fresh, cooled, or frozen semen (except for Thoroughbreds). But whether you are using AI or live cover, the main goal is to get a viable sperm to fertilize a mature

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Imprinting Foals

Editor’s Note: Nothing is without controversy, especially in the equine world. Some equine behaviorists question certain aspects of Dr. Miller’s theories and practices, and their opinions regarding foal imprint training appear below.“P>Editor’s Note: Nothing is with

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Thrush in Horses

Athlete’s foot certainly isn’t life-threatening, although it can be extremely irritable. Thrush is not life-threatening either, but if left unchecked, it can cause some serious foot problems in the horse.

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Referral Dystocias

Rolf Embertson, DVM, Dipl. ACVS, a surgeon on the staff at Rood and Riddle Equine Hospital in Lexington, Ky. described their on-call dystocia and neonate teams at the annual meeting of the Society For Theriogenology and American

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