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

Winter Stress

Winter weather can be responsible for stress that compromises a horse’s health.

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Equine Genetics

On June 26, 2000, the President of the United States presided over a news conference at which a dramatic announcement was made: Scientists reported that the human genetic code essentially had been deciphered. At the White House ceremony, the

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Catastrophic Injuries

Catastrophic injuries, involving the fracture of a bone, take a heavy toll on racehorses in training and in competition. Research through the years has given the veterinary surgeon additional tools and knowledge to deal with these

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Tendon Injuries: Treatments and Prevention

Tendon injuries quickly can end a performance horse’s career. There are no definitive statistics concerning how many horses in the world suffer from tendon injuries of some sort, but the number is considerable. The most common injury is the one

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Respiratory Allergies

Respiratory disease is second only to musculoskeletal problems as a cause of loss of performance in competition horses, according to some of the leading researchers around the world. In fact, N. Edward Robinson, BVet Med, PhD, MRCVS, of Michigan

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Equine Skin Problems and Causes

Skin is a horse’s largest organ, and it’s the only organ that an owner can examine in its entirity and monitor on a daily basis. The skin not only acts as a barrier to outside insults, but protects a horse’s internal structures, allows the

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False Pregnancy

It is a frustrating condition. Even though a mare is not pregnant, her body tells her that she is, and all of her reproductive systems react accordingly. She does not come into heat, and her body begins preparations for housing and nourishing a

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Fescue Toxicosis And Treatment

When tall fescue first arrived in the United States during the 1940s, it was considered a wonder grass. It was easy to establish, it yielded a good amount of forage, it was tolerant of a wide range of management regimens, and it could handle a

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Use and Abuse of Natural Products

Editor’s Note: There are veterinary professionals who have welcomed alternative, holistic, and complementary therapies and modalities with open arms, adding these tools and treatments to their arsenal of care for equine patients. And there ar

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Short Cycling Mares

Nature has done a commendable job in developing the equine reproductive system, but it did not take into consideration man’s special needs for the production of horses at certain times or under specific circumstances. The first man-made rule for

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Footing and Horse Performance

The type of footing on which a horse performs strongly influences whether the animal has a long and productive career, or whether it has that career cut short because of unsoundness or injury. Footing also influences how well the horse performs.

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Slaughter Industry Interrupted by EU Ban

Horse slaughter plants in the United States are operating on a month by month basis because of a dispute between the European Union (EU) and the United States Department of Agriculture (USDA).

We are just a pawn in a much larger”P>Horse slaughter plants in the Uni

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Lymphangitis in Horses

Many horse owners are faced with what is unscientifically called a “fat leg” in their horses. You walk into your field or stall to catch your horse, and there he stands, lame, with one leg swollen from the stifle down to twice its normal size. There are many things that can cause this condition, and some of them are life-threatening.

If a horse is found with one leg swollen as

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Shed Ready? Breeding Soundness Exam

Reproduction, from Nature’s viewpoint, is a pretty straightforward procedure that begins with breeding and ends with parturition. From the horse owner’s viewpoint, it isn’t all that simple or easy. Many things can happen between those two points

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Getting A Second Opinion

Your horse comes up lame. You call your veterinarian and have him or her come out and examine the animal. Your practitioner prescribes a treatment protocol that is carried out. The horse improves somewhat, but a nagging lameness remains. You cal

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