Les Sellnow

Les Sellnow is a free-lance writer based near Riverton, Wyo. He specializes in articles on equine research, and operates a ranch where he raises horses and livestock. He has authored several fiction and non-fiction books, including Understanding Equine Lameness and Understanding The Young Horse, published by Eclipse Press and available at www.exclusivelyequine.com or by calling 800/582-5604.

Articles by Les Sellnow

Older Horses: Dental Problems

More horse owners have become aware that good dental care is a key component in keeping a horse healthy. Read More

HERDA: DNA Tests Available for Disfiguring Skin Disease

Scientific research has scored another significant victory in the equine world. Two DNA tests are now available to detect carrier status for hereditary equine regional dermal asthenia (HERDA), also known as hyperelastosis cutis (HC).

Today Read More

Diagnostic Imaging for Lameness

There was a time when diagnosing lameness was basic-watch the horse travel, determine where you think the problem might be, and take a guess at what's causing it. Then came X rays, ultrasound, CT (computed tomography) scans, scintigraphy (bone Read More

Gait Analysis for Horses

There has been a long journey over a relatively short span of time in the world of equine gait analysis. The first studies utilized high-speed cameras and a treadmill and took place at the Swedish University of Agricultural Sciences some 35 years Read More

Nutrition to Go

A group of veterinarians gathered at the Land O' Lakes Purina Mills headquarters in St. Louis, Mo., last fall to participate in discussions on subjects that ranged from Cushing's disease to proper nutrition for horses young and old. Nicholas Frank, Read More

Immunotherapy for Broodmares

Endometritis has been the bane of many broodmares and their owners through the years. It frequently has been blamed for mares not becoming pregnant and, when they do conceive, for early embryonic death. The result has been serious economic losses Read More

Carbohydrates: Sugars and Starches

Low-carb has found its way into equine diets, with owners demanding feed products with low carb levels. Read More

Breeding Expertise

The annual conference of the Society for Theriogenology (SFT) was held Aug. 22-26 in St. Paul, Minn. Scientists and clinicians specializing in reproduction shared new research and updated views on many topics during the conference. Following are Read More

Basics of Life

Reproduction in all species borders on the miraculous. How else can one describe a process where two infinitesimal entities, one from the male, the other from the female, join forces to produce living, breathing offspring?

Reproductive Read More

Book Excerpt: Oxygen Supply

Editor's Note: This is an excerpt from Happy Trails by Les Sellnow. This book is available from www.ExclusivelyEquine.com. Read More

Anatomy and Physiology Part 11: Of Blood and Breath

There are few similarities between horses and automobiles, but in a manner of speaking, the horse's circulatory and respiratory systems constitute its engine. The food a horse consumes is its fuel. The fuel is converted into nutritional energy that Read More

Lessons Learned Hard

We have just passed the five-year anniversary of the most horrific terrorist attack on the United States in the country's history. It was on Sept. 11, 2001, that two airplanes crashed into the World Trade Center Towers in New York, another struck Read More

The Equine Digestive System: A Food Factory

The equine digestive system is a complicated factory that is designed to process small amounts of food frequently and convert them into nutrients that can be absorbed and produce energy. The same, concerning the end result, could be said of the cow Read More

Home Sweet Barn

Change has been constant in the equine industry during the past couple of decades, ranging from sophisticated health care and treatment to improved living quarters for horses in our care, custody, and control.

When the horse was the prime Read More

Temperament and Being Alert (Book Excerpt)

Look for a horse that's alert to its surroundings and pays special attention to unusual objects. This is where the subtlety comes in. You want the horse to be observant, but you don't want it to become agitated and frightened when it sees something Read More

Tendons and Ligaments: Anatomy and Physiology

Tendons and ligaments in the horse are the "belts" and "cables" that hold bones in place and allow the muscles to do their jobs in creating propulsion-- forward, backward, sideways, and up and down. Because of the workload often put upon them, tendon Read More

Canadian Horse Welfare

The horse industry across Canada for the past couple of years has been a bit like a ship in stormy seas. It has been buffeted about, with some of the waves splashing over to its neighbor to the south, but it is now finding itself in calmer Read More

Wyoming Fire Threatens Horses

A fire that has consumed nearly 12,000 acres of woodland forced hundreds of residents in a mountainous area to evacuate their homes near Casper, Wyo., during the past week. Included among the evacuees were a number of horses that were in the Read More

Body Builders--Muscles

Muscles are one of the most important components in the equine body. Without them, the horse would be unable to walk, chew and digest food, or even swish his tail. Muscles comprise the largest tissue mass in the horse's body. There are various types Read More

The Equine Back: Conformation and Injuries

Even a horse with excellent conformation can wind up with back problems if ridden by a rider out of balance or if outfitted with inappropriate tack. Read More

Freedom Contained

Romantic images swirl through the mind when one considers America's wild horses. For some the image might be that of a beautiful wild stallion racing across the prairie, mane and tail flying in the wind as he celebrates his freedom. For others, the Read More

The Preparation Checklist for Pack Trips

Once you have your destination in mind and have set about procuring all the necessary information, think about your equipment, such as packsaddles, tents, sleeping bags, cooking and eating utensils, and, it seems, a million other things. Read More

Anatomy and Physiology Part 6: The Head and Neck

The equine head can be compared to a computer. Housed within the skull are the major components--the brain and the sense organs. In addition to functioning like a computer, the equine head contains teeth for cropping grass and chewing food, and all Read More

Temperament--Buying the Right Horse for the Trail (Book Excerpt)

If you're going to enjoy trail riding, you need a horse with a good temperament. You may have the best-conformed horse in the world, with sound limbs and body, but that will matter little if the horse is mentally and emotionally unsuited Read More

Feeding Weanlings

Feeding young horses is a serious business. If we underfeed, we risk problems stemming from malnutrition. If we overfeed, there is the risk of developmental orthopedic disease that can affect bones and joints. Somewhere in between the two Read More